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Finding the Fourth Proportional to 543,854.10, 815,707.34 and 159,592.73

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Solution

The fourth proportional to 543,854.10, 815,707.34 and 159,592.73 is: 239,367.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,854.10 : 815,707.34 = 159,592.73 : x
  2. Step 2: Convert to fraction form
    543,854.10/815,707.34 = 159,592.73/x
  3. Step 3: Cross multiply
    543,854.10x = 815,707.34 × 159,592.73
  4. Step 4: Simplify right side
    543,854.10x = 130,180,961,133.11
  5. Step 5: Solve for x
    x = 130,180,961,133.11/543,854.10
  6. Step 6: Final answer
    x = 239,367.44

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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.