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Finding the Fourth Proportional to 591.27, 886.49 and 302.64

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Solution

The fourth proportional to 591.27, 886.49 and 302.64 is: 453.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.27 : 886.49 = 302.64 : x
  2. Step 2: Convert to fraction form
    591.27/886.49 = 302.64/x
  3. Step 3: Cross multiply
    591.27x = 886.49 × 302.64
  4. Step 4: Simplify right side
    591.27x = 268,287.33
  5. Step 5: Solve for x
    x = 268,287.33/591.27
  6. Step 6: Final answer
    x = 453.75

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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.