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Finding the Fourth Proportional to 332,686.98, 499,228.11 and 122,472.54

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Solution

The fourth proportional to 332,686.98, 499,228.11 and 122,472.54 is: 183,781.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,686.98 : 499,228.11 = 122,472.54 : x
  2. Step 2: Convert to fraction form
    332,686.98/499,228.11 = 122,472.54/x
  3. Step 3: Cross multiply
    332,686.98x = 499,228.11 × 122,472.54
  4. Step 4: Simplify right side
    332,686.98x = 61,141,734,671.10
  5. Step 5: Solve for x
    x = 61,141,734,671.10/332,686.98
  6. Step 6: Final answer
    x = 183,781.57

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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.