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Finding the Fourth Proportional to 882.93, 1,324.48 and 297.91

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Solution

The fourth proportional to 882.93, 1,324.48 and 297.91 is: 446.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    882.93 : 1,324.48 = 297.91 : x
  2. Step 2: Convert to fraction form
    882.93/1,324.48 = 297.91/x
  3. Step 3: Cross multiply
    882.93x = 1,324.48 × 297.91
  4. Step 4: Simplify right side
    882.93x = 394,567.72
  5. Step 5: Solve for x
    x = 394,567.72/882.93
  6. Step 6: Final answer
    x = 446.88

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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.