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Finding the Fourth Proportional to 708.36, 1,061.22 and 593.56

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Solution

The fourth proportional to 708.36, 1,061.22 and 593.56 is: 889.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    708.36 : 1,061.22 = 593.56 : x
  2. Step 2: Convert to fraction form
    708.36/1,061.22 = 593.56/x
  3. Step 3: Cross multiply
    708.36x = 1,061.22 × 593.56
  4. Step 4: Simplify right side
    708.36x = 629,897.74
  5. Step 5: Solve for x
    x = 629,897.74/708.36
  6. Step 6: Final answer
    x = 889.23

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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.