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Finding the Fourth Proportional to 331,590.60, 497,254.60 and 144,471.24

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Solution

The fourth proportional to 331,590.60, 497,254.60 and 144,471.24 is: 216,649.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,590.60 : 497,254.60 = 144,471.24 : x
  2. Step 2: Convert to fraction form
    331,590.60/497,254.60 = 144,471.24/x
  3. Step 3: Cross multiply
    331,590.60x = 497,254.60 × 144,471.24
  4. Step 4: Simplify right side
    331,590.60x = 71,838,988,657.70
  5. Step 5: Solve for x
    x = 71,838,988,657.70/331,590.60
  6. Step 6: Final answer
    x = 216,649.65

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