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Finding the Fourth Proportional to 696,073.80, 972,403.80 and 696,073.80

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Solution

The fourth proportional to 696,073.80, 972,403.80 and 696,073.80 is: 972,403.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,073.80 : 972,403.80 = 696,073.80 : x
  2. Step 2: Convert to fraction form
    696,073.80/972,403.80 = 696,073.80/x
  3. Step 3: Cross multiply
    696,073.80x = 972,403.80 × 696,073.80
  4. Step 4: Simplify right side
    696,073.80x = 676,864,808,200.44
  5. Step 5: Solve for x
    x = 676,864,808,200.44/696,073.80
  6. Step 6: Final answer
    x = 972,403.80

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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.