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Finding the Fourth Proportional to 589.11, 882.51 and 314.83

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Solution

The fourth proportional to 589.11, 882.51 and 314.83 is: 471.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    589.11 : 882.51 = 314.83 : x
  2. Step 2: Convert to fraction form
    589.11/882.51 = 314.83/x
  3. Step 3: Cross multiply
    589.11x = 882.51 × 314.83
  4. Step 4: Simplify right side
    589.11x = 277,840.62
  5. Step 5: Solve for x
    x = 277,840.62/589.11
  6. Step 6: Final answer
    x = 471.63

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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.