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Finding the Fourth Proportional to 366,965.30, 550,447.95 and 100,766.90

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Solution

The fourth proportional to 366,965.30, 550,447.95 and 100,766.90 is: 151,150.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,965.30 : 550,447.95 = 100,766.90 : x
  2. Step 2: Convert to fraction form
    366,965.30/550,447.95 = 100,766.90/x
  3. Step 3: Cross multiply
    366,965.30x = 550,447.95 × 100,766.90
  4. Step 4: Simplify right side
    366,965.30x = 55,466,933,532.86
  5. Step 5: Solve for x
    x = 55,466,933,532.86/366,965.30
  6. Step 6: Final answer
    x = 151,150.35

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Similar ratio
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1.5x scale

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.