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Finding the Fourth Proportional to 568,650.34, 852,690.28 and 189,437.76

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Solution

The fourth proportional to 568,650.34, 852,690.28 and 189,437.76 is: 284,061.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,650.34 : 852,690.28 = 189,437.76 : x
  2. Step 2: Convert to fraction form
    568,650.34/852,690.28 = 189,437.76/x
  3. Step 3: Cross multiply
    568,650.34x = 852,690.28 × 189,437.76
  4. Step 4: Simplify right side
    568,650.34x = 161,531,736,616.97
  5. Step 5: Solve for x
    x = 161,531,736,616.97/568,650.34
  6. Step 6: Final answer
    x = 284,061.62

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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.