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Finding the Fourth Proportional to 366,225.75, 549,342.05 and 129,608.55

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Solution

The fourth proportional to 366,225.75, 549,342.05 and 129,608.55 is: 194,414.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,225.75 : 549,342.05 = 129,608.55 : x
  2. Step 2: Convert to fraction form
    366,225.75/549,342.05 = 129,608.55/x
  3. Step 3: Cross multiply
    366,225.75x = 549,342.05 × 129,608.55
  4. Step 4: Simplify right side
    366,225.75x = 71,199,425,906.48
  5. Step 5: Solve for x
    x = 71,199,425,906.48/366,225.75
  6. Step 6: Final answer
    x = 194,414.04

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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.