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Finding the Fourth Proportional to 363,176.85, 544,768.01 and 126,519.15

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Solution

The fourth proportional to 363,176.85, 544,768.01 and 126,519.15 is: 189,779.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,176.85 : 544,768.01 = 126,519.15 : x
  2. Step 2: Convert to fraction form
    363,176.85/544,768.01 = 126,519.15/x
  3. Step 3: Cross multiply
    363,176.85x = 544,768.01 × 126,519.15
  4. Step 4: Simplify right side
    363,176.85x = 68,923,585,572.39
  5. Step 5: Solve for x
    x = 68,923,585,572.39/363,176.85
  6. Step 6: Final answer
    x = 189,779.68

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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.