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Finding the Fourth Proportional to 924.26, 1,275.48 and 531.26

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Solution

The fourth proportional to 924.26, 1,275.48 and 531.26 is: 733.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    924.26 : 1,275.48 = 531.26 : x
  2. Step 2: Convert to fraction form
    924.26/1,275.48 = 531.26/x
  3. Step 3: Cross multiply
    924.26x = 1,275.48 × 531.26
  4. Step 4: Simplify right side
    924.26x = 677,611.50
  5. Step 5: Solve for x
    x = 677,611.50/924.26
  6. Step 6: Final answer
    x = 733.14

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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.