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Finding the Fourth Proportional to 824.04, 1,233.77 and 476.87

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Solution

The fourth proportional to 824.04, 1,233.77 and 476.87 is: 713.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    824.04 : 1,233.77 = 476.87 : x
  2. Step 2: Convert to fraction form
    824.04/1,233.77 = 476.87/x
  3. Step 3: Cross multiply
    824.04x = 1,233.77 × 476.87
  4. Step 4: Simplify right side
    824.04x = 588,339.35
  5. Step 5: Solve for x
    x = 588,339.35/824.04
  6. Step 6: Final answer
    x = 713.97

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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.