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Finding the Fourth Proportional to 425,440.30, 587,119.92 and 234,466

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Solution

The fourth proportional to 425,440.30, 587,119.92 and 234,466 is: 323,569.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,440.30 : 587,119.92 = 234,466 : x
  2. Step 2: Convert to fraction form
    425,440.30/587,119.92 = 234,466/x
  3. Step 3: Cross multiply
    425,440.30x = 587,119.92 × 234,466
  4. Step 4: Simplify right side
    425,440.30x = 137,659,659,162.72
  5. Step 5: Solve for x
    x = 137,659,659,162.72/425,440.30
  6. Step 6: Final answer
    x = 323,569.86

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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.