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Finding the Fourth Proportional to 580,826.18, 871,462.62 and 281,283.71

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Solution

The fourth proportional to 580,826.18, 871,462.62 and 281,283.71 is: 422,033.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,826.18 : 871,462.62 = 281,283.71 : x
  2. Step 2: Convert to fraction form
    580,826.18/871,462.62 = 281,283.71/x
  3. Step 3: Cross multiply
    580,826.18x = 871,462.62 × 281,283.71
  4. Step 4: Simplify right side
    580,826.18x = 245,128,238,879.92
  5. Step 5: Solve for x
    x = 245,128,238,879.92/580,826.18
  6. Step 6: Final answer
    x = 422,033.73

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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.