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Finding the Fourth Proportional to 569.04, 853.48 and 158.23

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Solution

The fourth proportional to 569.04, 853.48 and 158.23 is: 237.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    569.04 : 853.48 = 158.23 : x
  2. Step 2: Convert to fraction form
    569.04/853.48 = 158.23/x
  3. Step 3: Cross multiply
    569.04x = 853.48 × 158.23
  4. Step 4: Simplify right side
    569.04x = 135,046.14
  5. Step 5: Solve for x
    x = 135,046.14/569.04
  6. Step 6: Final answer
    x = 237.32

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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.