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Finding the Fourth Proportional to 670,204.80, 936,187.20 and 670,204.80

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Solution

The fourth proportional to 670,204.80, 936,187.20 and 670,204.80 is: 936,187.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,204.80 : 936,187.20 = 670,204.80 : x
  2. Step 2: Convert to fraction form
    670,204.80/936,187.20 = 670,204.80/x
  3. Step 3: Cross multiply
    670,204.80x = 936,187.20 × 670,204.80
  4. Step 4: Simplify right side
    670,204.80x = 627,437,155,138.56
  5. Step 5: Solve for x
    x = 627,437,155,138.56/670,204.80
  6. Step 6: Final answer
    x = 936,187.20

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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.