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Finding the Fourth Proportional to 425,634.72, 587,380.44 and 234,654.95

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Solution

The fourth proportional to 425,634.72, 587,380.44 and 234,654.95 is: 323,826.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,634.72 : 587,380.44 = 234,654.95 : x
  2. Step 2: Convert to fraction form
    425,634.72/587,380.44 = 234,654.95/x
  3. Step 3: Cross multiply
    425,634.72x = 587,380.44 × 234,654.95
  4. Step 4: Simplify right side
    425,634.72x = 137,831,724,842.28
  5. Step 5: Solve for x
    x = 137,831,724,842.28/425,634.72
  6. Step 6: Final answer
    x = 323,826.32

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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.