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Finding the Fourth Proportional to 425,614.64, 587,352.14 and 234,634.86

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Solution

The fourth proportional to 425,614.64, 587,352.14 and 234,634.86 is: 323,798.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,614.64 : 587,352.14 = 234,634.86 : x
  2. Step 2: Convert to fraction form
    425,614.64/587,352.14 = 234,634.86/x
  3. Step 3: Cross multiply
    425,614.64x = 587,352.14 × 234,634.86
  4. Step 4: Simplify right side
    425,614.64x = 137,813,285,966.43
  5. Step 5: Solve for x
    x = 137,813,285,966.43/425,614.64
  6. Step 6: Final answer
    x = 323,798.28

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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.