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Finding the Fourth Proportional to 374,546.88, 561,876.36 and 137,871.60

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Solution

The fourth proportional to 374,546.88, 561,876.36 and 137,871.60 is: 206,828.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,546.88 : 561,876.36 = 137,871.60 : x
  2. Step 2: Convert to fraction form
    374,546.88/561,876.36 = 137,871.60/x
  3. Step 3: Cross multiply
    374,546.88x = 561,876.36 × 137,871.60
  4. Step 4: Simplify right side
    374,546.88x = 77,466,792,755.38
  5. Step 5: Solve for x
    x = 77,466,792,755.38/374,546.88
  6. Step 6: Final answer
    x = 206,828.03

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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.