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Finding the Fourth Proportional to 624,542.04, 861,870.60 and 338,061.96

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Solution

The fourth proportional to 624,542.04, 861,870.60 and 338,061.96 is: 466,526.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,542.04 : 861,870.60 = 338,061.96 : x
  2. Step 2: Convert to fraction form
    624,542.04/861,870.60 = 338,061.96/x
  3. Step 3: Cross multiply
    624,542.04x = 861,870.60 × 338,061.96
  4. Step 4: Simplify right side
    624,542.04x = 291,365,664,302.38
  5. Step 5: Solve for x
    x = 291,365,664,302.38/624,542.04
  6. Step 6: Final answer
    x = 466,526.90

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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.