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Finding the Fourth Proportional to 580,928.80, 871,393.86 and 181,571.68

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Solution

The fourth proportional to 580,928.80, 871,393.86 and 181,571.68 is: 272,357.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,928.80 : 871,393.86 = 181,571.68 : x
  2. Step 2: Convert to fraction form
    580,928.80/871,393.86 = 181,571.68/x
  3. Step 3: Cross multiply
    580,928.80x = 871,393.86 × 181,571.68
  4. Step 4: Simplify right side
    580,928.80x = 158,220,447,101.89
  5. Step 5: Solve for x
    x = 158,220,447,101.89/580,928.80
  6. Step 6: Final answer
    x = 272,357.73

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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.