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Finding the Fourth Proportional to 532.31, 798.56 and 203.24

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Solution

The fourth proportional to 532.31, 798.56 and 203.24 is: 304.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.31 : 798.56 = 203.24 : x
  2. Step 2: Convert to fraction form
    532.31/798.56 = 203.24/x
  3. Step 3: Cross multiply
    532.31x = 798.56 × 203.24
  4. Step 4: Simplify right side
    532.31x = 162,295.34
  5. Step 5: Solve for x
    x = 162,295.34/532.31
  6. Step 6: Final answer
    x = 304.89

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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.