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Finding the Fourth Proportional to 624,348.66, 861,601.14 and 337,868.72

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Solution

The fourth proportional to 624,348.66, 861,601.14 and 337,868.72 is: 466,258.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,348.66 : 861,601.14 = 337,868.72 : x
  2. Step 2: Convert to fraction form
    624,348.66/861,601.14 = 337,868.72/x
  3. Step 3: Cross multiply
    624,348.66x = 861,601.14 × 337,868.72
  4. Step 4: Simplify right side
    624,348.66x = 291,108,074,322.34
  5. Step 5: Solve for x
    x = 291,108,074,322.34/624,348.66
  6. Step 6: Final answer
    x = 466,258.83

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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.