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Finding the Fourth Proportional to 532.73, 798.82 and 239.98

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Solution

The fourth proportional to 532.73, 798.82 and 239.98 is: 359.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.73 : 798.82 = 239.98 : x
  2. Step 2: Convert to fraction form
    532.73/798.82 = 239.98/x
  3. Step 3: Cross multiply
    532.73x = 798.82 × 239.98
  4. Step 4: Simplify right side
    532.73x = 191,698.23
  5. Step 5: Solve for x
    x = 191,698.23/532.73
  6. Step 6: Final answer
    x = 359.84

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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.