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Finding the Fourth Proportional to 332,616.70, 498,815.70 and 122,227.30

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Solution

The fourth proportional to 332,616.70, 498,815.70 and 122,227.30 is: 183,300.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,616.70 : 498,815.70 = 122,227.30 : x
  2. Step 2: Convert to fraction form
    332,616.70/498,815.70 = 122,227.30/x
  3. Step 3: Cross multiply
    332,616.70x = 498,815.70 × 122,227.30
  4. Step 4: Simplify right side
    332,616.70x = 60,968,896,208.61
  5. Step 5: Solve for x
    x = 60,968,896,208.61/332,616.70
  6. Step 6: Final answer
    x = 183,300.77

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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.