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Finding the Fourth Proportional to 624,892.60, 862,347.49 and 338,406.13

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Solution

The fourth proportional to 624,892.60, 862,347.49 and 338,406.13 is: 466,998.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,892.60 : 862,347.49 = 338,406.13 : x
  2. Step 2: Convert to fraction form
    624,892.60/862,347.49 = 338,406.13/x
  3. Step 3: Cross multiply
    624,892.60x = 862,347.49 × 338,406.13
  4. Step 4: Simplify right side
    624,892.60x = 291,823,676,806.11
  5. Step 5: Solve for x
    x = 291,823,676,806.11/624,892.60
  6. Step 6: Final answer
    x = 466,998.13

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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.