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Finding the Fourth Proportional to 225,013.60, 337,520.40 and 185,615.20

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Solution

The fourth proportional to 225,013.60, 337,520.40 and 185,615.20 is: 278,422.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,013.60 : 337,520.40 = 185,615.20 : x
  2. Step 2: Convert to fraction form
    225,013.60/337,520.40 = 185,615.20/x
  3. Step 3: Cross multiply
    225,013.60x = 337,520.40 × 185,615.20
  4. Step 4: Simplify right side
    225,013.60x = 62,648,916,550.08
  5. Step 5: Solve for x
    x = 62,648,916,550.08/225,013.60
  6. Step 6: Final answer
    x = 278,422.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.