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Finding the Fourth Proportional to 371,601.72, 557,414.15 and 176,812.25

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Solution

The fourth proportional to 371,601.72, 557,414.15 and 176,812.25 is: 265,223.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,601.72 : 557,414.15 = 176,812.25 : x
  2. Step 2: Convert to fraction form
    371,601.72/557,414.15 = 176,812.25/x
  3. Step 3: Cross multiply
    371,601.72x = 557,414.15 × 176,812.25
  4. Step 4: Simplify right side
    371,601.72x = 98,557,650,043.34
  5. Step 5: Solve for x
    x = 98,557,650,043.34/371,601.72
  6. Step 6: Final answer
    x = 265,223.88

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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.