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Finding the Fourth Proportional to 496,869.74, 745,304.85 and 159,910.34

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Solution

The fourth proportional to 496,869.74, 745,304.85 and 159,910.34 is: 239,865.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,869.74 : 745,304.85 = 159,910.34 : x
  2. Step 2: Convert to fraction form
    496,869.74/745,304.85 = 159,910.34/x
  3. Step 3: Cross multiply
    496,869.74x = 745,304.85 × 159,910.34
  4. Step 4: Simplify right side
    496,869.74x = 119,181,948,240.63
  5. Step 5: Solve for x
    x = 119,181,948,240.63/496,869.74
  6. Step 6: Final answer
    x = 239,865.58

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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.