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Finding the Fourth Proportional to 347,486.68, 479,480.46 and 194,516.92

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Solution

The fourth proportional to 347,486.68, 479,480.46 and 194,516.92 is: 268,404.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,486.68 : 479,480.46 = 194,516.92 : x
  2. Step 2: Convert to fraction form
    347,486.68/479,480.46 = 194,516.92/x
  3. Step 3: Cross multiply
    347,486.68x = 479,480.46 × 194,516.92
  4. Step 4: Simplify right side
    347,486.68x = 93,267,062,279.38
  5. Step 5: Solve for x
    x = 93,267,062,279.38/347,486.68
  6. Step 6: Final answer
    x = 268,404.71

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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.