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Finding the Fourth Proportional to 332,612.73, 499,115.93 and 122,398.29

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Solution

The fourth proportional to 332,612.73, 499,115.93 and 122,398.29 is: 183,669.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,612.73 : 499,115.93 = 122,398.29 : x
  2. Step 2: Convert to fraction form
    332,612.73/499,115.93 = 122,398.29/x
  3. Step 3: Cross multiply
    332,612.73x = 499,115.93 × 122,398.29
  4. Step 4: Simplify right side
    332,612.73x = 61,090,935,731.77
  5. Step 5: Solve for x
    x = 61,090,935,731.77/332,612.73
  6. Step 6: Final answer
    x = 183,669.87

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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.