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Finding the Fourth Proportional to 366,010.59, 549,060.18 and 129,304.83

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Solution

The fourth proportional to 366,010.59, 549,060.18 and 129,304.83 is: 193,972.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,010.59 : 549,060.18 = 129,304.83 : x
  2. Step 2: Convert to fraction form
    366,010.59/549,060.18 = 129,304.83/x
  3. Step 3: Cross multiply
    366,010.59x = 549,060.18 × 129,304.83
  4. Step 4: Simplify right side
    366,010.59x = 70,996,133,234.67
  5. Step 5: Solve for x
    x = 70,996,133,234.67/366,010.59
  6. Step 6: Final answer
    x = 193,972.89

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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.