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Finding the Fourth Proportional to 580,915.82, 871,374.42 and 181,558.69

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Solution

The fourth proportional to 580,915.82, 871,374.42 and 181,558.69 is: 272,338.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,915.82 : 871,374.42 = 181,558.69 : x
  2. Step 2: Convert to fraction form
    580,915.82/871,374.42 = 181,558.69/x
  3. Step 3: Cross multiply
    580,915.82x = 871,374.42 × 181,558.69
  4. Step 4: Simplify right side
    580,915.82x = 158,205,592,930.04
  5. Step 5: Solve for x
    x = 158,205,592,930.04/580,915.82
  6. Step 6: Final answer
    x = 272,338.24

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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.