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Finding the Fourth Proportional to 321,773.90, 482,816.67 and 132,374.24

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Solution

The fourth proportional to 321,773.90, 482,816.67 and 132,374.24 is: 198,625.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,773.90 : 482,816.67 = 132,374.24 : x
  2. Step 2: Convert to fraction form
    321,773.90/482,816.67 = 132,374.24/x
  3. Step 3: Cross multiply
    321,773.90x = 482,816.67 × 132,374.24
  4. Step 4: Simplify right side
    321,773.90x = 63,912,487,336.50
  5. Step 5: Solve for x
    x = 63,912,487,336.50/321,773.90
  6. Step 6: Final answer
    x = 198,625.46

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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.