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Finding the Fourth Proportional to 367,321.78, 550,731.13 and 187,058.27

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Solution

The fourth proportional to 367,321.78, 550,731.13 and 187,058.27 is: 280,459.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,321.78 : 550,731.13 = 187,058.27 : x
  2. Step 2: Convert to fraction form
    367,321.78/550,731.13 = 187,058.27/x
  3. Step 3: Cross multiply
    367,321.78x = 550,731.13 × 187,058.27
  4. Step 4: Simplify right side
    367,321.78x = 103,018,812,412.95
  5. Step 5: Solve for x
    x = 103,018,812,412.95/367,321.78
  6. Step 6: Final answer
    x = 280,459.31

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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.