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Finding the Fourth Proportional to 959.01, 1,323.27 and 566.16

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Solution

The fourth proportional to 959.01, 1,323.27 and 566.16 is: 781.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    959.01 : 1,323.27 = 566.16 : x
  2. Step 2: Convert to fraction form
    959.01/1,323.27 = 566.16/x
  3. Step 3: Cross multiply
    959.01x = 1,323.27 × 566.16
  4. Step 4: Simplify right side
    959.01x = 749,182.54
  5. Step 5: Solve for x
    x = 749,182.54/959.01
  6. Step 6: Final answer
    x = 781.20

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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.