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Finding the Fourth Proportional to 349,863.14, 482,813.15 and 196,904.36

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Solution

The fourth proportional to 349,863.14, 482,813.15 and 196,904.36 is: 271,729.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,863.14 : 482,813.15 = 196,904.36 : x
  2. Step 2: Convert to fraction form
    349,863.14/482,813.15 = 196,904.36/x
  3. Step 3: Cross multiply
    349,863.14x = 482,813.15 × 196,904.36
  4. Step 4: Simplify right side
    349,863.14x = 95,068,010,901.75
  5. Step 5: Solve for x
    x = 95,068,010,901.75/349,863.14
  6. Step 6: Final answer
    x = 271,729.15

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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.