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Finding the Fourth Proportional to 371,506.31, 557,079.20 and 181,744.41

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Solution

The fourth proportional to 371,506.31, 557,079.20 and 181,744.41 is: 272,528.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,506.31 : 557,079.20 = 181,744.41 : x
  2. Step 2: Convert to fraction form
    371,506.31/557,079.20 = 181,744.41/x
  3. Step 3: Cross multiply
    371,506.31x = 557,079.20 × 181,744.41
  4. Step 4: Simplify right side
    371,506.31x = 101,246,029,618.55
  5. Step 5: Solve for x
    x = 101,246,029,618.55/371,506.31
  6. Step 6: Final answer
    x = 272,528.43

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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.