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Finding the Fourth Proportional to 358,211.80, 494,335.49 and 194,871.86

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Solution

The fourth proportional to 358,211.80, 494,335.49 and 194,871.86 is: 268,924.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,211.80 : 494,335.49 = 194,871.86 : x
  2. Step 2: Convert to fraction form
    358,211.80/494,335.49 = 194,871.86/x
  3. Step 3: Cross multiply
    358,211.80x = 494,335.49 × 194,871.86
  4. Step 4: Simplify right side
    358,211.80x = 96,332,078,805.68
  5. Step 5: Solve for x
    x = 96,332,078,805.68/358,211.80
  6. Step 6: Final answer
    x = 268,924.92

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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.