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Finding the Fourth Proportional to 349,517.71, 482,329.85 and 196,555.85

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Solution

The fourth proportional to 349,517.71, 482,329.85 and 196,555.85 is: 271,244.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,517.71 : 482,329.85 = 196,555.85 : x
  2. Step 2: Convert to fraction form
    349,517.71/482,329.85 = 196,555.85/x
  3. Step 3: Cross multiply
    349,517.71x = 482,329.85 × 196,555.85
  4. Step 4: Simplify right side
    349,517.71x = 94,804,755,076.42
  5. Step 5: Solve for x
    x = 94,804,755,076.42/349,517.71
  6. Step 6: Final answer
    x = 271,244.50

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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.