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Finding the Fourth Proportional to 532.80, 798.72 and 244.08

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Solution

The fourth proportional to 532.80, 798.72 and 244.08 is: 365.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.80 : 798.72 = 244.08 : x
  2. Step 2: Convert to fraction form
    532.80/798.72 = 244.08/x
  3. Step 3: Cross multiply
    532.80x = 798.72 × 244.08
  4. Step 4: Simplify right side
    532.80x = 194,951.58
  5. Step 5: Solve for x
    x = 194,951.58/532.80
  6. Step 6: Final answer
    x = 365.90

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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.