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Finding the Fourth Proportional to 695,229.30, 974,720.70 and 695,229.30

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Solution

The fourth proportional to 695,229.30, 974,720.70 and 695,229.30 is: 974,720.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,229.30 : 974,720.70 = 695,229.30 : x
  2. Step 2: Convert to fraction form
    695,229.30/974,720.70 = 695,229.30/x
  3. Step 3: Cross multiply
    695,229.30x = 974,720.70 × 695,229.30
  4. Step 4: Simplify right side
    695,229.30x = 677,654,389,956.51
  5. Step 5: Solve for x
    x = 677,654,389,956.51/695,229.30
  6. Step 6: Final answer
    x = 974,720.70

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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.