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Finding the Fourth Proportional to 886.06, 1,223.04 and 532.24

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Solution

The fourth proportional to 886.06, 1,223.04 and 532.24 is: 734.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    886.06 : 1,223.04 = 532.24 : x
  2. Step 2: Convert to fraction form
    886.06/1,223.04 = 532.24/x
  3. Step 3: Cross multiply
    886.06x = 1,223.04 × 532.24
  4. Step 4: Simplify right side
    886.06x = 650,950.81
  5. Step 5: Solve for x
    x = 650,950.81/886.06
  6. Step 6: Final answer
    x = 734.66

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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.