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Finding the Fourth Proportional to 590.44, 885.60 and 157.64

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Solution

The fourth proportional to 590.44, 885.60 and 157.64 is: 236.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    590.44 : 885.60 = 157.64 : x
  2. Step 2: Convert to fraction form
    590.44/885.60 = 157.64/x
  3. Step 3: Cross multiply
    590.44x = 885.60 × 157.64
  4. Step 4: Simplify right side
    590.44x = 139,605.98
  5. Step 5: Solve for x
    x = 139,605.98/590.44
  6. Step 6: Final answer
    x = 236.44

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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.