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Finding the Fourth Proportional to 532.92, 798.42 and 275.64

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Solution

The fourth proportional to 532.92, 798.42 and 275.64 is: 412.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.92 : 798.42 = 275.64 : x
  2. Step 2: Convert to fraction form
    532.92/798.42 = 275.64/x
  3. Step 3: Cross multiply
    532.92x = 798.42 × 275.64
  4. Step 4: Simplify right side
    532.92x = 220,076.49
  5. Step 5: Solve for x
    x = 220,076.49/532.92
  6. Step 6: Final answer
    x = 412.96

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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.