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Finding the Fourth Proportional to 591.91, 888.27 and 207.16

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Solution

The fourth proportional to 591.91, 888.27 and 207.16 is: 310.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.91 : 888.27 = 207.16 : x
  2. Step 2: Convert to fraction form
    591.91/888.27 = 207.16/x
  3. Step 3: Cross multiply
    591.91x = 888.27 × 207.16
  4. Step 4: Simplify right side
    591.91x = 184,014.01
  5. Step 5: Solve for x
    x = 184,014.01/591.91
  6. Step 6: Final answer
    x = 310.88

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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.