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Finding the Fourth Proportional to 580,671, 871,061.46 and 225,712.44

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Solution

The fourth proportional to 580,671, 871,061.46 and 225,712.44 is: 338,590.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,671 : 871,061.46 = 225,712.44 : x
  2. Step 2: Convert to fraction form
    580,671/871,061.46 = 225,712.44/x
  3. Step 3: Cross multiply
    580,671x = 871,061.46 × 225,712.44
  4. Step 4: Simplify right side
    580,671x = 196,609,407,526.56
  5. Step 5: Solve for x
    x = 196,609,407,526.56/580,671
  6. Step 6: Final answer
    x = 338,590.02

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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.