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Finding the Fourth Proportional to 425,716.52, 587,515.02 and 234,729.32

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Solution

The fourth proportional to 425,716.52, 587,515.02 and 234,729.32 is: 323,940.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,716.52 : 587,515.02 = 234,729.32 : x
  2. Step 2: Convert to fraction form
    425,716.52/587,515.02 = 234,729.32/x
  3. Step 3: Cross multiply
    425,716.52x = 587,515.02 × 234,729.32
  4. Step 4: Simplify right side
    425,716.52x = 137,907,001,134.39
  5. Step 5: Solve for x
    x = 137,907,001,134.39/425,716.52
  6. Step 6: Final answer
    x = 323,940.92

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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.