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Finding the Fourth Proportional to 591.10, 882.28 and 554.62

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Solution

The fourth proportional to 591.10, 882.28 and 554.62 is: 827.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.10 : 882.28 = 554.62 : x
  2. Step 2: Convert to fraction form
    591.10/882.28 = 554.62/x
  3. Step 3: Cross multiply
    591.10x = 882.28 × 554.62
  4. Step 4: Simplify right side
    591.10x = 489,327.36
  5. Step 5: Solve for x
    x = 489,327.36/591.10
  6. Step 6: Final answer
    x = 827.83

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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.