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Finding the Fourth Proportional to 580,874.88, 871,366.08 and 225,915.84

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Solution

The fourth proportional to 580,874.88, 871,366.08 and 225,915.84 is: 338,894.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,874.88 : 871,366.08 = 225,915.84 : x
  2. Step 2: Convert to fraction form
    580,874.88/871,366.08 = 225,915.84/x
  3. Step 3: Cross multiply
    580,874.88x = 871,366.08 × 225,915.84
  4. Step 4: Simplify right side
    580,874.88x = 196,855,399,910.71
  5. Step 5: Solve for x
    x = 196,855,399,910.71/580,874.88
  6. Step 6: Final answer
    x = 338,894.67

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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.