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Finding the Fourth Proportional to 467.74, 699.52 and 350.90

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Solution

The fourth proportional to 467.74, 699.52 and 350.90 is: 524.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.74 : 699.52 = 350.90 : x
  2. Step 2: Convert to fraction form
    467.74/699.52 = 350.90/x
  3. Step 3: Cross multiply
    467.74x = 699.52 × 350.90
  4. Step 4: Simplify right side
    467.74x = 245,458.51
  5. Step 5: Solve for x
    x = 245,458.51/467.74
  6. Step 6: Final answer
    x = 524.78

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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.