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Finding the Fourth Proportional to 580,949.62, 871,089.19 and 225,548.45

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Solution

The fourth proportional to 580,949.62, 871,089.19 and 225,548.45 is: 338,192.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,949.62 : 871,089.19 = 225,548.45 : x
  2. Step 2: Convert to fraction form
    580,949.62/871,089.19 = 225,548.45/x
  3. Step 3: Cross multiply
    580,949.62x = 871,089.19 × 225,548.45
  4. Step 4: Simplify right side
    580,949.62x = 196,472,814,963.52
  5. Step 5: Solve for x
    x = 196,472,814,963.52/580,949.62
  6. Step 6: Final answer
    x = 338,192.52

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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.