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Finding the Fourth Proportional to 532.58, 798.68 and 224.28

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Solution

The fourth proportional to 532.58, 798.68 and 224.28 is: 336.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.58 : 798.68 = 224.28 : x
  2. Step 2: Convert to fraction form
    532.58/798.68 = 224.28/x
  3. Step 3: Cross multiply
    532.58x = 798.68 × 224.28
  4. Step 4: Simplify right side
    532.58x = 179,127.95
  5. Step 5: Solve for x
    x = 179,127.95/532.58
  6. Step 6: Final answer
    x = 336.34

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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.