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Finding the Fourth Proportional to 580,667.73, 871,001.18 and 181,342.72

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Solution

The fourth proportional to 580,667.73, 871,001.18 and 181,342.72 is: 272,013.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,667.73 : 871,001.18 = 181,342.72 : x
  2. Step 2: Convert to fraction form
    580,667.73/871,001.18 = 181,342.72/x
  3. Step 3: Cross multiply
    580,667.73x = 871,001.18 × 181,342.72
  4. Step 4: Simplify right side
    580,667.73x = 157,949,723,104.41
  5. Step 5: Solve for x
    x = 157,949,723,104.41/580,667.73
  6. Step 6: Final answer
    x = 272,013.95

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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.