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Finding the Fourth Proportional to 500,452.22, 750,788.60 and 145,493.92

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Solution

The fourth proportional to 500,452.22, 750,788.60 and 145,493.92 is: 218,272.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,452.22 : 750,788.60 = 145,493.92 : x
  2. Step 2: Convert to fraction form
    500,452.22/750,788.60 = 145,493.92/x
  3. Step 3: Cross multiply
    500,452.22x = 750,788.60 × 145,493.92
  4. Step 4: Simplify right side
    500,452.22x = 109,235,176,716.33
  5. Step 5: Solve for x
    x = 109,235,176,716.33/500,452.22
  6. Step 6: Final answer
    x = 218,272.94

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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.