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Finding the Fourth Proportional to 304,778.25, 457,168.89 and 124,961.89

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Solution

The fourth proportional to 304,778.25, 457,168.89 and 124,961.89 is: 187,443.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,778.25 : 457,168.89 = 124,961.89 : x
  2. Step 2: Convert to fraction form
    304,778.25/457,168.89 = 124,961.89/x
  3. Step 3: Cross multiply
    304,778.25x = 457,168.89 × 124,961.89
  4. Step 4: Simplify right side
    304,778.25x = 57,128,689,115.06
  5. Step 5: Solve for x
    x = 57,128,689,115.06/304,778.25
  6. Step 6: Final answer
    x = 187,443.46

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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.