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Finding the Fourth Proportional to 532.06, 798.12 and 272.00

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Solution

The fourth proportional to 532.06, 798.12 and 272.00 is: 408.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.06 : 798.12 = 272.00 : x
  2. Step 2: Convert to fraction form
    532.06/798.12 = 272.00/x
  3. Step 3: Cross multiply
    532.06x = 798.12 × 272.00
  4. Step 4: Simplify right side
    532.06x = 217,090.64
  5. Step 5: Solve for x
    x = 217,090.64/532.06
  6. Step 6: Final answer
    x = 408.02

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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.