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Finding the Fourth Proportional to 590.95, 886.28 and 225.77

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Solution

The fourth proportional to 590.95, 886.28 and 225.77 is: 338.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    590.95 : 886.28 = 225.77 : x
  2. Step 2: Convert to fraction form
    590.95/886.28 = 225.77/x
  3. Step 3: Cross multiply
    590.95x = 886.28 × 225.77
  4. Step 4: Simplify right side
    590.95x = 200,095.44
  5. Step 5: Solve for x
    x = 200,095.44/590.95
  6. Step 6: Final answer
    x = 338.60

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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.