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Finding the Fourth Proportional to 573,964.20, 861,037.43 and 194,920.65

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Solution

The fourth proportional to 573,964.20, 861,037.43 and 194,920.65 is: 292,411.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,964.20 : 861,037.43 = 194,920.65 : x
  2. Step 2: Convert to fraction form
    573,964.20/861,037.43 = 194,920.65/x
  3. Step 3: Cross multiply
    573,964.20x = 861,037.43 × 194,920.65
  4. Step 4: Simplify right side
    573,964.20x = 167,833,974,555.33
  5. Step 5: Solve for x
    x = 167,833,974,555.33/573,964.20
  6. Step 6: Final answer
    x = 292,411.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.