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Finding the Fourth Proportional to 360,854.48, 541,348.20 and 120,944.96

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Solution

The fourth proportional to 360,854.48, 541,348.20 and 120,944.96 is: 181,439.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,854.48 : 541,348.20 = 120,944.96 : x
  2. Step 2: Convert to fraction form
    360,854.48/541,348.20 = 120,944.96/x
  3. Step 3: Cross multiply
    360,854.48x = 541,348.20 × 120,944.96
  4. Step 4: Simplify right side
    360,854.48x = 65,473,336,395.07
  5. Step 5: Solve for x
    x = 65,473,336,395.07/360,854.48
  6. Step 6: Final answer
    x = 181,439.72

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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.