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Finding the Fourth Proportional to 959.68, 1,323.88 and 566.52

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Solution

The fourth proportional to 959.68, 1,323.88 and 566.52 is: 781.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    959.68 : 1,323.88 = 566.52 : x
  2. Step 2: Convert to fraction form
    959.68/1,323.88 = 566.52/x
  3. Step 3: Cross multiply
    959.68x = 1,323.88 × 566.52
  4. Step 4: Simplify right side
    959.68x = 750,004.50
  5. Step 5: Solve for x
    x = 750,004.50/959.68
  6. Step 6: Final answer
    x = 781.52

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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.