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Finding the Fourth Proportional to 882, 1,217.16 and 532.62

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Solution

The fourth proportional to 882, 1,217.16 and 532.62 is: 735.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    882 : 1,217.16 = 532.62 : x
  2. Step 2: Convert to fraction form
    882/1,217.16 = 532.62/x
  3. Step 3: Cross multiply
    882x = 1,217.16 × 532.62
  4. Step 4: Simplify right side
    882x = 648,283.76
  5. Step 5: Solve for x
    x = 648,283.76/882
  6. Step 6: Final answer
    x = 735.02

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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.