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Finding the Fourth Proportional to 347,574.78, 479,613.55 and 194,591.70

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Solution

The fourth proportional to 347,574.78, 479,613.55 and 194,591.70 is: 268,514.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,574.78 : 479,613.55 = 194,591.70 : x
  2. Step 2: Convert to fraction form
    347,574.78/479,613.55 = 194,591.70/x
  3. Step 3: Cross multiply
    347,574.78x = 479,613.55 × 194,591.70
  4. Step 4: Simplify right side
    347,574.78x = 93,328,815,064.58
  5. Step 5: Solve for x
    x = 93,328,815,064.58/347,574.78
  6. Step 6: Final answer
    x = 268,514.35

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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.