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Finding the Fourth Proportional to 475,169.74, 655,734.22 and 284,183.13

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Solution

The fourth proportional to 475,169.74, 655,734.22 and 284,183.13 is: 392,172.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,169.74 : 655,734.22 = 284,183.13 : x
  2. Step 2: Convert to fraction form
    475,169.74/655,734.22 = 284,183.13/x
  3. Step 3: Cross multiply
    475,169.74x = 655,734.22 × 284,183.13
  4. Step 4: Simplify right side
    475,169.74x = 186,348,603,087.71
  5. Step 5: Solve for x
    x = 186,348,603,087.71/475,169.74
  6. Step 6: Final answer
    x = 392,172.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.