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Finding the Fourth Proportional to 943.24, 1,301.52 and 593.68

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Solution

The fourth proportional to 943.24, 1,301.52 and 593.68 is: 819.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    943.24 : 1,301.52 = 593.68 : x
  2. Step 2: Convert to fraction form
    943.24/1,301.52 = 593.68/x
  3. Step 3: Cross multiply
    943.24x = 1,301.52 × 593.68
  4. Step 4: Simplify right side
    943.24x = 772,686.39
  5. Step 5: Solve for x
    x = 772,686.39/943.24
  6. Step 6: Final answer
    x = 819.18

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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.