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Finding the Fourth Proportional to 402,832.20, 604,124.80 and 132,910.52

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Solution

The fourth proportional to 402,832.20, 604,124.80 and 132,910.52 is: 199,325.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,832.20 : 604,124.80 = 132,910.52 : x
  2. Step 2: Convert to fraction form
    402,832.20/604,124.80 = 132,910.52/x
  3. Step 3: Cross multiply
    402,832.20x = 604,124.80 × 132,910.52
  4. Step 4: Simplify right side
    402,832.20x = 80,294,541,312.90
  5. Step 5: Solve for x
    x = 80,294,541,312.90/402,832.20
  6. Step 6: Final answer
    x = 199,325.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.