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Finding the Fourth Proportional to 532.63, 798.78 and 224.47

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Solution

The fourth proportional to 532.63, 798.78 and 224.47 is: 336.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.63 : 798.78 = 224.47 : x
  2. Step 2: Convert to fraction form
    532.63/798.78 = 224.47/x
  3. Step 3: Cross multiply
    532.63x = 798.78 × 224.47
  4. Step 4: Simplify right side
    532.63x = 179,302.72
  5. Step 5: Solve for x
    x = 179,302.72/532.63
  6. Step 6: Final answer
    x = 336.64

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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.