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Finding the Fourth Proportional to 624,393.32, 861,662.77 and 337,913.41

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Solution

The fourth proportional to 624,393.32, 861,662.77 and 337,913.41 is: 466,320.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,393.32 : 861,662.77 = 337,913.41 : x
  2. Step 2: Convert to fraction form
    624,393.32/861,662.77 = 337,913.41/x
  3. Step 3: Cross multiply
    624,393.32x = 861,662.77 × 337,913.41
  4. Step 4: Simplify right side
    624,393.32x = 291,167,404,880.75
  5. Step 5: Solve for x
    x = 291,167,404,880.75/624,393.32
  6. Step 6: Final answer
    x = 466,320.50

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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.