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Finding the Fourth Proportional to 552,721.88, 829,082.82 and 153,362.72

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Solution

The fourth proportional to 552,721.88, 829,082.82 and 153,362.72 is: 230,044.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,721.88 : 829,082.82 = 153,362.72 : x
  2. Step 2: Convert to fraction form
    552,721.88/829,082.82 = 153,362.72/x
  3. Step 3: Cross multiply
    552,721.88x = 829,082.82 × 153,362.72
  4. Step 4: Simplify right side
    552,721.88x = 127,150,396,380.47
  5. Step 5: Solve for x
    x = 127,150,396,380.47/552,721.88
  6. Step 6: Final answer
    x = 230,044.08

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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.