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Finding the Fourth Proportional to 590.92, 886.84 and 317.54

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Solution

The fourth proportional to 590.92, 886.84 and 317.54 is: 476.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    590.92 : 886.84 = 317.54 : x
  2. Step 2: Convert to fraction form
    590.92/886.84 = 317.54/x
  3. Step 3: Cross multiply
    590.92x = 886.84 × 317.54
  4. Step 4: Simplify right side
    590.92x = 281,608.60
  5. Step 5: Solve for x
    x = 281,608.60/590.92
  6. Step 6: Final answer
    x = 476.56

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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.