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Finding the Fourth Proportional to 701,402,284.80, 984,113,107.20 and 701,402,284.80

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Solution

The fourth proportional to 701,402,284.80, 984,113,107.20 and 701,402,284.80 is: 984,113,107.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,402,284.80 : 984,113,107.20 = 701,402,284.80 : x
  2. Step 2: Convert to fraction form
    701,402,284.80/984,113,107.20 = 701,402,284.80/x
  3. Step 3: Cross multiply
    701,402,284.80x = 984,113,107.20 × 701,402,284.80
  4. Step 4: Simplify right side
    701,402,284.80x = 690,259,181,891,707,264
  5. Step 5: Solve for x
    x = 690,259,181,891,707,264/701,402,284.80
  6. Step 6: Final answer
    x = 984,113,107.20

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.