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Finding the Fourth Proportional to 467.65, 700.57 and 261.59

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Solution

The fourth proportional to 467.65, 700.57 and 261.59 is: 391.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    467.65 : 700.57 = 261.59 : x
  2. Step 2: Convert to fraction form
    467.65/700.57 = 261.59/x
  3. Step 3: Cross multiply
    467.65x = 700.57 × 261.59
  4. Step 4: Simplify right side
    467.65x = 183,261.52
  5. Step 5: Solve for x
    x = 183,261.52/467.65
  6. Step 6: Final answer
    x = 391.88

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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.