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Finding the Fourth Proportional to 590.47, 814.75 and 341.75

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Solution

The fourth proportional to 590.47, 814.75 and 341.75 is: 471.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    590.47 : 814.75 = 341.75 : x
  2. Step 2: Convert to fraction form
    590.47/814.75 = 341.75/x
  3. Step 3: Cross multiply
    590.47x = 814.75 × 341.75
  4. Step 4: Simplify right side
    590.47x = 278,436.27
  5. Step 5: Solve for x
    x = 278,436.27/590.47
  6. Step 6: Final answer
    x = 471.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.