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Finding the Fourth Proportional to 482,764.95, 724,211.03 and 179,117.79

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Solution

The fourth proportional to 482,764.95, 724,211.03 and 179,117.79 is: 268,700.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,764.95 : 724,211.03 = 179,117.79 : x
  2. Step 2: Convert to fraction form
    482,764.95/724,211.03 = 179,117.79/x
  3. Step 3: Cross multiply
    482,764.95x = 724,211.03 × 179,117.79
  4. Step 4: Simplify right side
    482,764.95x = 129,719,078,291.64
  5. Step 5: Solve for x
    x = 129,719,078,291.64/482,764.95
  6. Step 6: Final answer
    x = 268,700.28

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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.