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Finding the Fourth Proportional to 580,915.32, 871,373.67 and 181,558.19

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Solution

The fourth proportional to 580,915.32, 871,373.67 and 181,558.19 is: 272,337.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,915.32 : 871,373.67 = 181,558.19 : x
  2. Step 2: Convert to fraction form
    580,915.32/871,373.67 = 181,558.19/x
  3. Step 3: Cross multiply
    580,915.32x = 871,373.67 × 181,558.19
  4. Step 4: Simplify right side
    580,915.32x = 158,205,021,074.20
  5. Step 5: Solve for x
    x = 158,205,021,074.20/580,915.32
  6. Step 6: Final answer
    x = 272,337.49

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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.