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Finding the Fourth Proportional to 824.16, 1,234.41 and 592.35

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Solution

The fourth proportional to 824.16, 1,234.41 and 592.35 is: 887.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    824.16 : 1,234.41 = 592.35 : x
  2. Step 2: Convert to fraction form
    824.16/1,234.41 = 592.35/x
  3. Step 3: Cross multiply
    824.16x = 1,234.41 × 592.35
  4. Step 4: Simplify right side
    824.16x = 731,202.76
  5. Step 5: Solve for x
    x = 731,202.76/824.16
  6. Step 6: Final answer
    x = 887.21

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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.