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Finding the Fourth Proportional to 624,364.64, 861,625.32 and 337,884.64

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Solution

The fourth proportional to 624,364.64, 861,625.32 and 337,884.64 is: 466,281.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,364.64 : 861,625.32 = 337,884.64 : x
  2. Step 2: Convert to fraction form
    624,364.64/861,625.32 = 337,884.64/x
  3. Step 3: Cross multiply
    624,364.64x = 861,625.32 × 337,884.64
  4. Step 4: Simplify right side
    624,364.64x = 291,129,961,063.09
  5. Step 5: Solve for x
    x = 291,129,961,063.09/624,364.64
  6. Step 6: Final answer
    x = 466,281.95

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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.