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Finding the Fourth Proportional to 467.52, 700.64 and 178.64

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Solution

The fourth proportional to 467.52, 700.64 and 178.64 is: 267.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.52 : 700.64 = 178.64 : x
  2. Step 2: Convert to fraction form
    467.52/700.64 = 178.64/x
  3. Step 3: Cross multiply
    467.52x = 700.64 × 178.64
  4. Step 4: Simplify right side
    467.52x = 125,162.33
  5. Step 5: Solve for x
    x = 125,162.33/467.52
  6. Step 6: Final answer
    x = 267.72

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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.