Home / 349,639.20-482,377.68-206,327.52

Finding the Fourth Proportional to 349,639.20, 482,377.68 and 206,327.52

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Solution

The fourth proportional to 349,639.20, 482,377.68 and 206,327.52 is: 284,658.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,639.20 : 482,377.68 = 206,327.52 : x
  2. Step 2: Convert to fraction form
    349,639.20/482,377.68 = 206,327.52/x
  3. Step 3: Cross multiply
    349,639.20x = 482,377.68 × 206,327.52
  4. Step 4: Simplify right side
    349,639.20x = 99,527,790,417.75
  5. Step 5: Solve for x
    x = 99,527,790,417.75/349,639.20
  6. Step 6: Final answer
    x = 284,658.56

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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.