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Finding the Fourth Proportional to 363,222.18, 544,989.96 and 138,650.04

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Solution

The fourth proportional to 363,222.18, 544,989.96 and 138,650.04 is: 208,034.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,222.18 : 544,989.96 = 138,650.04 : x
  2. Step 2: Convert to fraction form
    363,222.18/544,989.96 = 138,650.04/x
  3. Step 3: Cross multiply
    363,222.18x = 544,989.96 × 138,650.04
  4. Step 4: Simplify right side
    363,222.18x = 75,562,879,753.60
  5. Step 5: Solve for x
    x = 75,562,879,753.60/363,222.18
  6. Step 6: Final answer
    x = 208,034.87

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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.