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Finding the Fourth Proportional to 366,375.40, 549,641.55 and 113,650.42

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Solution

The fourth proportional to 366,375.40, 549,641.55 and 113,650.42 is: 170,499.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,375.40 : 549,641.55 = 113,650.42 : x
  2. Step 2: Convert to fraction form
    366,375.40/549,641.55 = 113,650.42/x
  3. Step 3: Cross multiply
    366,375.40x = 549,641.55 × 113,650.42
  4. Step 4: Simplify right side
    366,375.40x = 62,466,993,006.95
  5. Step 5: Solve for x
    x = 62,466,993,006.95/366,375.40
  6. Step 6: Final answer
    x = 170,499.97

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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.