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Finding the Fourth Proportional to 624,424.89, 861,706.36 and 337,944.98

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Solution

The fourth proportional to 624,424.89, 861,706.36 and 337,944.98 is: 466,364.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,424.89 : 861,706.36 = 337,944.98 : x
  2. Step 2: Convert to fraction form
    624,424.89/861,706.36 = 337,944.98/x
  3. Step 3: Cross multiply
    624,424.89x = 861,706.36 × 337,944.98
  4. Step 4: Simplify right side
    624,424.89x = 291,209,338,618.57
  5. Step 5: Solve for x
    x = 291,209,338,618.57/624,424.89
  6. Step 6: Final answer
    x = 466,364.08

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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.