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Finding the Fourth Proportional to 582.24, 868.68 and 554.72

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Solution

The fourth proportional to 582.24, 868.68 and 554.72 is: 827.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    582.24 : 868.68 = 554.72 : x
  2. Step 2: Convert to fraction form
    582.24/868.68 = 554.72/x
  3. Step 3: Cross multiply
    582.24x = 868.68 × 554.72
  4. Step 4: Simplify right side
    582.24x = 481,874.17
  5. Step 5: Solve for x
    x = 481,874.17/582.24
  6. Step 6: Final answer
    x = 827.62

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.