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Finding the Fourth Proportional to 532.36, 798.06 and 272.02

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Solution

The fourth proportional to 532.36, 798.06 and 272.02 is: 407.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.36 : 798.06 = 272.02 : x
  2. Step 2: Convert to fraction form
    532.36/798.06 = 272.02/x
  3. Step 3: Cross multiply
    532.36x = 798.06 × 272.02
  4. Step 4: Simplify right side
    532.36x = 217,088.28
  5. Step 5: Solve for x
    x = 217,088.28/532.36
  6. Step 6: Final answer
    x = 407.78

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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.