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Finding the Fourth Proportional to 952.47, 1,313.01 and 658.44

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Solution

The fourth proportional to 952.47, 1,313.01 and 658.44 is: 907.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.47 : 1,313.01 = 658.44 : x
  2. Step 2: Convert to fraction form
    952.47/1,313.01 = 658.44/x
  3. Step 3: Cross multiply
    952.47x = 1,313.01 × 658.44
  4. Step 4: Simplify right side
    952.47x = 864,538.30
  5. Step 5: Solve for x
    x = 864,538.30/952.47
  6. Step 6: Final answer
    x = 907.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.