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Finding the Fourth Proportional to 332,076.80, 498,115.20 and 304,083.20

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Solution

The fourth proportional to 332,076.80, 498,115.20 and 304,083.20 is: 456,124.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,076.80 : 498,115.20 = 304,083.20 : x
  2. Step 2: Convert to fraction form
    332,076.80/498,115.20 = 304,083.20/x
  3. Step 3: Cross multiply
    332,076.80x = 498,115.20 × 304,083.20
  4. Step 4: Simplify right side
    332,076.80x = 151,468,463,984.64
  5. Step 5: Solve for x
    x = 151,468,463,984.64/332,076.80
  6. Step 6: Final answer
    x = 456,124.80

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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.