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Finding the Fourth Proportional to 532.33, 798.46 and 142.32

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Solution

The fourth proportional to 532.33, 798.46 and 142.32 is: 213.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.33 : 798.46 = 142.32 : x
  2. Step 2: Convert to fraction form
    532.33/798.46 = 142.32/x
  3. Step 3: Cross multiply
    532.33x = 798.46 × 142.32
  4. Step 4: Simplify right side
    532.33x = 113,636.83
  5. Step 5: Solve for x
    x = 113,636.83/532.33
  6. Step 6: Final answer
    x = 213.47

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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.