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Finding the Fourth Proportional to 588.75, 882.80 and 403.87

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Solution

The fourth proportional to 588.75, 882.80 and 403.87 is: 605.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    588.75 : 882.80 = 403.87 : x
  2. Step 2: Convert to fraction form
    588.75/882.80 = 403.87/x
  3. Step 3: Cross multiply
    588.75x = 882.80 × 403.87
  4. Step 4: Simplify right side
    588.75x = 356,535.38
  5. Step 5: Solve for x
    x = 356,535.38/588.75
  6. Step 6: Final answer
    x = 605.58

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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.