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Finding the Fourth Proportional to 719,010.17, 992,593.55 and 447,165.62

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Solution

The fourth proportional to 719,010.17, 992,593.55 and 447,165.62 is: 617,312.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,010.17 : 992,593.55 = 447,165.62 : x
  2. Step 2: Convert to fraction form
    719,010.17/992,593.55 = 447,165.62/x
  3. Step 3: Cross multiply
    719,010.17x = 992,593.55 × 447,165.62
  4. Step 4: Simplify right side
    719,010.17x = 443,853,707,957.92
  5. Step 5: Solve for x
    x = 443,853,707,957.92/719,010.17
  6. Step 6: Final answer
    x = 617,312.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.