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Finding the Fourth Proportional to 568,516.80, 852,544.80 and 194,347.20

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Solution

The fourth proportional to 568,516.80, 852,544.80 and 194,347.20 is: 291,442.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,516.80 : 852,544.80 = 194,347.20 : x
  2. Step 2: Convert to fraction form
    568,516.80/852,544.80 = 194,347.20/x
  3. Step 3: Cross multiply
    568,516.80x = 852,544.80 × 194,347.20
  4. Step 4: Simplify right side
    568,516.80x = 165,689,694,754.56
  5. Step 5: Solve for x
    x = 165,689,694,754.56/568,516.80
  6. Step 6: Final answer
    x = 291,442.04

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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.