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Finding the Fourth Proportional to 882.99, 1,324.65 and 297.95

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Solution

The fourth proportional to 882.99, 1,324.65 and 297.95 is: 446.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    882.99 : 1,324.65 = 297.95 : x
  2. Step 2: Convert to fraction form
    882.99/1,324.65 = 297.95/x
  3. Step 3: Cross multiply
    882.99x = 1,324.65 × 297.95
  4. Step 4: Simplify right side
    882.99x = 394,672.84
  5. Step 5: Solve for x
    x = 394,672.84/882.99
  6. Step 6: Final answer
    x = 446.97

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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.