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Finding the Fourth Proportional to 580,696.56, 871,044.84 and 159,972.48

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Solution

The fourth proportional to 580,696.56, 871,044.84 and 159,972.48 is: 239,958.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,696.56 : 871,044.84 = 159,972.48 : x
  2. Step 2: Convert to fraction form
    580,696.56/871,044.84 = 159,972.48/x
  3. Step 3: Cross multiply
    580,696.56x = 871,044.84 × 159,972.48
  4. Step 4: Simplify right side
    580,696.56x = 139,343,203,246.00
  5. Step 5: Solve for x
    x = 139,343,203,246.00/580,696.56
  6. Step 6: Final answer
    x = 239,958.72

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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.