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Finding the Fourth Proportional to 425,716.43, 587,461.86 and 234,731.39

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Solution

The fourth proportional to 425,716.43, 587,461.86 and 234,731.39 is: 323,914.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,716.43 : 587,461.86 = 234,731.39 : x
  2. Step 2: Convert to fraction form
    425,716.43/587,461.86 = 234,731.39/x
  3. Step 3: Cross multiply
    425,716.43x = 587,461.86 × 234,731.39
  4. Step 4: Simplify right side
    425,716.43x = 137,895,736,032.48
  5. Step 5: Solve for x
    x = 137,895,736,032.48/425,716.43
  6. Step 6: Final answer
    x = 323,914.53

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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.