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Finding the Fourth Proportional to 824.46, 1,234.85 and 592.65

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Solution

The fourth proportional to 824.46, 1,234.85 and 592.65 is: 887.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    824.46 : 1,234.85 = 592.65 : x
  2. Step 2: Convert to fraction form
    824.46/1,234.85 = 592.65/x
  3. Step 3: Cross multiply
    824.46x = 1,234.85 × 592.65
  4. Step 4: Simplify right side
    824.46x = 731,833.85
  5. Step 5: Solve for x
    x = 731,833.85/824.46
  6. Step 6: Final answer
    x = 887.65

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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.