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Finding the Fourth Proportional to 366,963.55, 550,445.33 and 100,765.15

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Solution

The fourth proportional to 366,963.55, 550,445.33 and 100,765.15 is: 151,147.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,963.55 : 550,445.33 = 100,765.15 : x
  2. Step 2: Convert to fraction form
    366,963.55/550,445.33 = 100,765.15/x
  3. Step 3: Cross multiply
    366,963.55x = 550,445.33 × 100,765.15
  4. Step 4: Simplify right side
    366,963.55x = 55,465,706,244.25
  5. Step 5: Solve for x
    x = 55,465,706,244.25/366,963.55
  6. Step 6: Final answer
    x = 151,147.73

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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.