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Finding the Fourth Proportional to 349,469.28, 482,265.10 and 198,566.28

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Solution

The fourth proportional to 349,469.28, 482,265.10 and 198,566.28 is: 274,020.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,469.28 : 482,265.10 = 198,566.28 : x
  2. Step 2: Convert to fraction form
    349,469.28/482,265.10 = 198,566.28/x
  3. Step 3: Cross multiply
    349,469.28x = 482,265.10 × 198,566.28
  4. Step 4: Simplify right side
    349,469.28x = 95,761,586,384.41
  5. Step 5: Solve for x
    x = 95,761,586,384.41/349,469.28
  6. Step 6: Final answer
    x = 274,020.04

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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.