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Finding the Fourth Proportional to 482,765.95, 724,212.53 and 179,118.79

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Solution

The fourth proportional to 482,765.95, 724,212.53 and 179,118.79 is: 268,701.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,765.95 : 724,212.53 = 179,118.79 : x
  2. Step 2: Convert to fraction form
    482,765.95/724,212.53 = 179,118.79/x
  3. Step 3: Cross multiply
    482,765.95x = 724,212.53 × 179,118.79
  4. Step 4: Simplify right side
    482,765.95x = 129,720,072,076.44
  5. Step 5: Solve for x
    x = 129,720,072,076.44/482,765.95
  6. Step 6: Final answer
    x = 268,701.78

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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.