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Finding the Fourth Proportional to 590.26, 885.44 and 316.27

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Solution

The fourth proportional to 590.26, 885.44 and 316.27 is: 474.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    590.26 : 885.44 = 316.27 : x
  2. Step 2: Convert to fraction form
    590.26/885.44 = 316.27/x
  3. Step 3: Cross multiply
    590.26x = 885.44 × 316.27
  4. Step 4: Simplify right side
    590.26x = 280,038.11
  5. Step 5: Solve for x
    x = 280,038.11/590.26
  6. Step 6: Final answer
    x = 474.43

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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.