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Finding the Fourth Proportional to 304,778.43, 457,169.16 and 124,962.07

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Solution

The fourth proportional to 304,778.43, 457,169.16 and 124,962.07 is: 187,443.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,778.43 : 457,169.16 = 124,962.07 : x
  2. Step 2: Convert to fraction form
    304,778.43/457,169.16 = 124,962.07/x
  3. Step 3: Cross multiply
    304,778.43x = 457,169.16 × 124,962.07
  4. Step 4: Simplify right side
    304,778.43x = 57,128,804,573.76
  5. Step 5: Solve for x
    x = 57,128,804,573.76/304,778.43
  6. Step 6: Final answer
    x = 187,443.73

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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.