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Finding the Fourth Proportional to 349,866.20, 482,801.46 and 206,672.24

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Solution

The fourth proportional to 349,866.20, 482,801.46 and 206,672.24 is: 285,199.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,866.20 : 482,801.46 = 206,672.24 : x
  2. Step 2: Convert to fraction form
    349,866.20/482,801.46 = 206,672.24/x
  3. Step 3: Cross multiply
    349,866.20x = 482,801.46 × 206,672.24
  4. Step 4: Simplify right side
    349,866.20x = 99,781,659,213.47
  5. Step 5: Solve for x
    x = 99,781,659,213.47/349,866.20
  6. Step 6: Final answer
    x = 285,199.48

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1.5x scale

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.