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Finding the Fourth Proportional to 959.08, 1,323.46 and 566.12

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Solution

The fourth proportional to 959.08, 1,323.46 and 566.12 is: 781.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    959.08 : 1,323.46 = 566.12 : x
  2. Step 2: Convert to fraction form
    959.08/1,323.46 = 566.12/x
  3. Step 3: Cross multiply
    959.08x = 1,323.46 × 566.12
  4. Step 4: Simplify right side
    959.08x = 749,237.18
  5. Step 5: Solve for x
    x = 749,237.18/959.08
  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.