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Finding the Fourth Proportional to 886.04, 1,223.14 and 532.12

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Solution

The fourth proportional to 886.04, 1,223.14 and 532.12 is: 734.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    886.04 : 1,223.14 = 532.12 : x
  2. Step 2: Convert to fraction form
    886.04/1,223.14 = 532.12/x
  3. Step 3: Cross multiply
    886.04x = 1,223.14 × 532.12
  4. Step 4: Simplify right side
    886.04x = 650,857.26
  5. Step 5: Solve for x
    x = 650,857.26/886.04
  6. Step 6: Final answer
    x = 734.57

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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.