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Finding the Fourth Proportional to 467.91, 700.56 and 313.55

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Solution

The fourth proportional to 467.91, 700.56 and 313.55 is: 469.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.91 : 700.56 = 313.55 : x
  2. Step 2: Convert to fraction form
    467.91/700.56 = 313.55/x
  3. Step 3: Cross multiply
    467.91x = 700.56 × 313.55
  4. Step 4: Simplify right side
    467.91x = 219,657.09
  5. Step 5: Solve for x
    x = 219,657.09/467.91
  6. Step 6: Final answer
    x = 469.44

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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.