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Finding the Fourth Proportional to 532.23, 798.18 and 239.56

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Solution

The fourth proportional to 532.23, 798.18 and 239.56 is: 359.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.23 : 798.18 = 239.56 : x
  2. Step 2: Convert to fraction form
    532.23/798.18 = 239.56/x
  3. Step 3: Cross multiply
    532.23x = 798.18 × 239.56
  4. Step 4: Simplify right side
    532.23x = 191,212.00
  5. Step 5: Solve for x
    x = 191,212.00/532.23
  6. Step 6: Final answer
    x = 359.27

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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.