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Finding the Fourth Proportional to 532.67, 798.74 and 207.95

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Solution

The fourth proportional to 532.67, 798.74 and 207.95 is: 311.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.67 : 798.74 = 207.95 : x
  2. Step 2: Convert to fraction form
    532.67/798.74 = 207.95/x
  3. Step 3: Cross multiply
    532.67x = 798.74 × 207.95
  4. Step 4: Simplify right side
    532.67x = 166,096.94
  5. Step 5: Solve for x
    x = 166,096.94/532.67
  6. Step 6: Final answer
    x = 311.82

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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.