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Finding the Fourth Proportional to 580,668.73, 871,002.68 and 181,343.72

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Solution

The fourth proportional to 580,668.73, 871,002.68 and 181,343.72 is: 272,015.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,668.73 : 871,002.68 = 181,343.72 : x
  2. Step 2: Convert to fraction form
    580,668.73/871,002.68 = 181,343.72/x
  3. Step 3: Cross multiply
    580,668.73x = 871,002.68 × 181,343.72
  4. Step 4: Simplify right side
    580,668.73x = 157,950,866,121.17
  5. Step 5: Solve for x
    x = 157,950,866,121.17/580,668.73
  6. Step 6: Final answer
    x = 272,015.45

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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.