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Finding the Fourth Proportional to 383,859.01, 575,542.11 and 159,374.39

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Solution

The fourth proportional to 383,859.01, 575,542.11 and 159,374.39 is: 238,959.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,859.01 : 575,542.11 = 159,374.39 : x
  2. Step 2: Convert to fraction form
    383,859.01/575,542.11 = 159,374.39/x
  3. Step 3: Cross multiply
    383,859.01x = 575,542.11 × 159,374.39
  4. Step 4: Simplify right side
    383,859.01x = 91,726,672,700.56
  5. Step 5: Solve for x
    x = 91,726,672,700.56/383,859.01
  6. Step 6: Final answer
    x = 238,959.28

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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.