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Finding the Fourth Proportional to 589.72, 885.06 and 301.24

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Solution

The fourth proportional to 589.72, 885.06 and 301.24 is: 452.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.72 : 885.06 = 301.24 : x
  2. Step 2: Convert to fraction form
    589.72/885.06 = 301.24/x
  3. Step 3: Cross multiply
    589.72x = 885.06 × 301.24
  4. Step 4: Simplify right side
    589.72x = 266,615.47
  5. Step 5: Solve for x
    x = 266,615.47/589.72
  6. Step 6: Final answer
    x = 452.11

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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.