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Finding the Fourth Proportional to 959.06, 1,323.39 and 566.08

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Solution

The fourth proportional to 959.06, 1,323.39 and 566.08 is: 781.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    959.06 : 1,323.39 = 566.08 : x
  2. Step 2: Convert to fraction form
    959.06/1,323.39 = 566.08/x
  3. Step 3: Cross multiply
    959.06x = 1,323.39 × 566.08
  4. Step 4: Simplify right side
    959.06x = 749,144.61
  5. Step 5: Solve for x
    x = 749,144.61/959.06
  6. Step 6: Final answer
    x = 781.12

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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.