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Finding the Fourth Proportional to 366,462.54, 549,508.05 and 129,771.90

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Solution

The fourth proportional to 366,462.54, 549,508.05 and 129,771.90 is: 194,592.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,462.54 : 549,508.05 = 129,771.90 : x
  2. Step 2: Convert to fraction form
    366,462.54/549,508.05 = 129,771.90/x
  3. Step 3: Cross multiply
    366,462.54x = 549,508.05 × 129,771.90
  4. Step 4: Simplify right side
    366,462.54x = 71,310,703,713.80
  5. Step 5: Solve for x
    x = 71,310,703,713.80/366,462.54
  6. Step 6: Final answer
    x = 194,592.07

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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.