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Finding the Fourth Proportional to 367,452.43, 550,964.14 and 142,550.08

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Solution

The fourth proportional to 367,452.43, 550,964.14 and 142,550.08 is: 213,741.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,452.43 : 550,964.14 = 142,550.08 : x
  2. Step 2: Convert to fraction form
    367,452.43/550,964.14 = 142,550.08/x
  3. Step 3: Cross multiply
    367,452.43x = 550,964.14 × 142,550.08
  4. Step 4: Simplify right side
    367,452.43x = 78,539,980,500.35
  5. Step 5: Solve for x
    x = 78,539,980,500.35/367,452.43
  6. Step 6: Final answer
    x = 213,741.90

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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.