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Finding the Fourth Proportional to 349,863.53, 482,805.81 and 196,901.70

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Solution

The fourth proportional to 349,863.53, 482,805.81 and 196,901.70 is: 271,721.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,863.53 : 482,805.81 = 196,901.70 : x
  2. Step 2: Convert to fraction form
    349,863.53/482,805.81 = 196,901.70/x
  3. Step 3: Cross multiply
    349,863.53x = 482,805.81 × 196,901.70
  4. Step 4: Simplify right side
    349,863.53x = 95,065,284,758.88
  5. Step 5: Solve for x
    x = 95,065,284,758.88/349,863.53
  6. Step 6: Final answer
    x = 271,721.05

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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.