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Finding the Fourth Proportional to 366,469.80, 549,376.65 and 240,170.55

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Solution

The fourth proportional to 366,469.80, 549,376.65 and 240,170.55 is: 360,040.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,469.80 : 549,376.65 = 240,170.55 : x
  2. Step 2: Convert to fraction form
    366,469.80/549,376.65 = 240,170.55/x
  3. Step 3: Cross multiply
    366,469.80x = 549,376.65 × 240,170.55
  4. Step 4: Simplify right side
    366,469.80x = 131,944,092,187.66
  5. Step 5: Solve for x
    x = 131,944,092,187.66/366,469.80
  6. Step 6: Final answer
    x = 360,040.83

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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.