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Finding the Fourth Proportional to 532.89, 798.74 and 224.65

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Solution

The fourth proportional to 532.89, 798.74 and 224.65 is: 336.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    532.89 : 798.74 = 224.65 : x
  2. Step 2: Convert to fraction form
    532.89/798.74 = 224.65/x
  3. Step 3: Cross multiply
    532.89x = 798.74 × 224.65
  4. Step 4: Simplify right side
    532.89x = 179,431.82
  5. Step 5: Solve for x
    x = 179,431.82/532.89
  6. Step 6: Final answer
    x = 336.72

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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.