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Finding the Fourth Proportional to 624,093.12, 861,248.70 and 337,613.67

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Solution

The fourth proportional to 624,093.12, 861,248.70 and 337,613.67 is: 465,906.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,093.12 : 861,248.70 = 337,613.67 : x
  2. Step 2: Convert to fraction form
    624,093.12/861,248.70 = 337,613.67/x
  3. Step 3: Cross multiply
    624,093.12x = 861,248.70 × 337,613.67
  4. Step 4: Simplify right side
    624,093.12x = 290,769,334,389.73
  5. Step 5: Solve for x
    x = 290,769,334,389.73/624,093.12
  6. Step 6: Final answer
    x = 465,906.97

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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.