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Finding the Fourth Proportional to 532.44, 798.36 and 379.32

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Solution

The fourth proportional to 532.44, 798.36 and 379.32 is: 568.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.44 : 798.36 = 379.32 : x
  2. Step 2: Convert to fraction form
    532.44/798.36 = 379.32/x
  3. Step 3: Cross multiply
    532.44x = 798.36 × 379.32
  4. Step 4: Simplify right side
    532.44x = 302,833.92
  5. Step 5: Solve for x
    x = 302,833.92/532.44
  6. Step 6: Final answer
    x = 568.77

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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.