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Finding the Fourth Proportional to 589.44, 882.33 and 315.16

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Solution

The fourth proportional to 589.44, 882.33 and 315.16 is: 471.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.44 : 882.33 = 315.16 : x
  2. Step 2: Convert to fraction form
    589.44/882.33 = 315.16/x
  3. Step 3: Cross multiply
    589.44x = 882.33 × 315.16
  4. Step 4: Simplify right side
    589.44x = 278,071.74
  5. Step 5: Solve for x
    x = 278,071.74/589.44
  6. Step 6: Final answer
    x = 471.75

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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.