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Finding the Fourth Proportional to 332,644.56, 498,950.64 and 122,269.20

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Solution

The fourth proportional to 332,644.56, 498,950.64 and 122,269.20 is: 183,397.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,644.56 : 498,950.64 = 122,269.20 : x
  2. Step 2: Convert to fraction form
    332,644.56/498,950.64 = 122,269.20/x
  3. Step 3: Cross multiply
    332,644.56x = 498,950.64 × 122,269.20
  4. Step 4: Simplify right side
    332,644.56x = 61,006,295,592.29
  5. Step 5: Solve for x
    x = 61,006,295,592.29/332,644.56
  6. Step 6: Final answer
    x = 183,397.85

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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.