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Finding the Fourth Proportional to 590.90, 886.85 and 244.45

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Solution

The fourth proportional to 590.90, 886.85 and 244.45 is: 366.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    590.90 : 886.85 = 244.45 : x
  2. Step 2: Convert to fraction form
    590.90/886.85 = 244.45/x
  3. Step 3: Cross multiply
    590.90x = 886.85 × 244.45
  4. Step 4: Simplify right side
    590.90x = 216,791.29
  5. Step 5: Solve for x
    x = 216,791.29/590.90
  6. Step 6: Final answer
    x = 366.89

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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.