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Finding the Fourth Proportional to 467.12, 700.68 and 394.47

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Solution

The fourth proportional to 467.12, 700.68 and 394.47 is: 591.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.12 : 700.68 = 394.47 : x
  2. Step 2: Convert to fraction form
    467.12/700.68 = 394.47/x
  3. Step 3: Cross multiply
    467.12x = 700.68 × 394.47
  4. Step 4: Simplify right side
    467.12x = 276,397.24
  5. Step 5: Solve for x
    x = 276,397.24/467.12
  6. Step 6: Final answer
    x = 591.70

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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.