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Finding the Fourth Proportional to 482,699.15, 724,025.20 and 179,152.39

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Solution

The fourth proportional to 482,699.15, 724,025.20 and 179,152.39 is: 268,719.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,699.15 : 724,025.20 = 179,152.39 : x
  2. Step 2: Convert to fraction form
    482,699.15/724,025.20 = 179,152.39/x
  3. Step 3: Cross multiply
    482,699.15x = 724,025.20 × 179,152.39
  4. Step 4: Simplify right side
    482,699.15x = 129,710,845,793.29
  5. Step 5: Solve for x
    x = 129,710,845,793.29/482,699.15
  6. Step 6: Final answer
    x = 268,719.86

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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.