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Finding the Fourth Proportional to 355,863.06, 491,097.15 and 194,732.19

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Solution

The fourth proportional to 355,863.06, 491,097.15 and 194,732.19 is: 268,733.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,863.06 : 491,097.15 = 194,732.19 : x
  2. Step 2: Convert to fraction form
    355,863.06/491,097.15 = 194,732.19/x
  3. Step 3: Cross multiply
    355,863.06x = 491,097.15 × 194,732.19
  4. Step 4: Simplify right side
    355,863.06x = 95,632,423,522.26
  5. Step 5: Solve for x
    x = 95,632,423,522.26/355,863.06
  6. Step 6: Final answer
    x = 268,733.78

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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.