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Finding the Fourth Proportional to 882.36, 1,217.34 and 532.92

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Solution

The fourth proportional to 882.36, 1,217.34 and 532.92 is: 735.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    882.36 : 1,217.34 = 532.92 : x
  2. Step 2: Convert to fraction form
    882.36/1,217.34 = 532.92/x
  3. Step 3: Cross multiply
    882.36x = 1,217.34 × 532.92
  4. Step 4: Simplify right side
    882.36x = 648,744.83
  5. Step 5: Solve for x
    x = 648,744.83/882.36
  6. Step 6: Final answer
    x = 735.24

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.