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Finding the Fourth Proportional to 532.32, 798.06 and 272.04

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Solution

The fourth proportional to 532.32, 798.06 and 272.04 is: 407.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.32 : 798.06 = 272.04 : x
  2. Step 2: Convert to fraction form
    532.32/798.06 = 272.04/x
  3. Step 3: Cross multiply
    532.32x = 798.06 × 272.04
  4. Step 4: Simplify right side
    532.32x = 217,104.24
  5. Step 5: Solve for x
    x = 217,104.24/532.32
  6. Step 6: Final answer
    x = 407.85

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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.