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Finding the Fourth Proportional to 580,992.40, 871,153.26 and 225,591.13

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Solution

The fourth proportional to 580,992.40, 871,153.26 and 225,591.13 is: 338,256.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,992.40 : 871,153.26 = 225,591.13 : x
  2. Step 2: Convert to fraction form
    580,992.40/871,153.26 = 225,591.13/x
  3. Step 3: Cross multiply
    580,992.40x = 871,153.26 × 225,591.13
  4. Step 4: Simplify right side
    580,992.40x = 196,524,448,326.58
  5. Step 5: Solve for x
    x = 196,524,448,326.58/580,992.40
  6. Step 6: Final answer
    x = 338,256.49

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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.