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Finding the Fourth Proportional to 882.99, 1,324.49 and 472.59

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Solution

The fourth proportional to 882.99, 1,324.49 and 472.59 is: 708.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    882.99 : 1,324.49 = 472.59 : x
  2. Step 2: Convert to fraction form
    882.99/1,324.49 = 472.59/x
  3. Step 3: Cross multiply
    882.99x = 1,324.49 × 472.59
  4. Step 4: Simplify right side
    882.99x = 625,938.37
  5. Step 5: Solve for x
    x = 625,938.37/882.99
  6. Step 6: Final answer
    x = 708.89

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Half scale
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Double scale
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1.5x scale

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.