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Finding the Fourth Proportional to 467.50, 701.63 and 399.46

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Solution

The fourth proportional to 467.50, 701.63 and 399.46 is: 599.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.50 : 701.63 = 399.46 : x
  2. Step 2: Convert to fraction form
    467.50/701.63 = 399.46/x
  3. Step 3: Cross multiply
    467.50x = 701.63 × 399.46
  4. Step 4: Simplify right side
    467.50x = 280,273.12
  5. Step 5: Solve for x
    x = 280,273.12/467.50
  6. Step 6: Final answer
    x = 599.51

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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.