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Finding the Fourth Proportional to 367,149.49, 550,589.65 and 127,201.42

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Solution

The fourth proportional to 367,149.49, 550,589.65 and 127,201.42 is: 190,755.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,149.49 : 550,589.65 = 127,201.42 : x
  2. Step 2: Convert to fraction form
    367,149.49/550,589.65 = 127,201.42/x
  3. Step 3: Cross multiply
    367,149.49x = 550,589.65 × 127,201.42
  4. Step 4: Simplify right side
    367,149.49x = 70,035,785,317.30
  5. Step 5: Solve for x
    x = 70,035,785,317.30/367,149.49
  6. Step 6: Final answer
    x = 190,755.50

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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.