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Finding the Fourth Proportional to 1,062.19, 1,593.08 and 369.31

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Solution

The fourth proportional to 1,062.19, 1,593.08 and 369.31 is: 553.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062.19 : 1,593.08 = 369.31 : x
  2. Step 2: Convert to fraction form
    1,062.19/1,593.08 = 369.31/x
  3. Step 3: Cross multiply
    1,062.19x = 1,593.08 × 369.31
  4. Step 4: Simplify right side
    1,062.19x = 588,330.56
  5. Step 5: Solve for x
    x = 588,330.56/1,062.19
  6. Step 6: Final answer
    x = 553.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.