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Finding the Fourth Proportional to 568,650.72, 852,690.85 and 189,438.13

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Solution

The fourth proportional to 568,650.72, 852,690.85 and 189,438.13 is: 284,062.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,650.72 : 852,690.85 = 189,438.13 : x
  2. Step 2: Convert to fraction form
    568,650.72/852,690.85 = 189,438.13/x
  3. Step 3: Cross multiply
    568,650.72x = 852,690.85 × 189,438.13
  4. Step 4: Simplify right side
    568,650.72x = 161,532,160,092.11
  5. Step 5: Solve for x
    x = 161,532,160,092.11/568,650.72
  6. Step 6: Final answer
    x = 284,062.17

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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.