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Finding the Fourth Proportional to 569.04, 853.44 and 276.41

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Solution

The fourth proportional to 569.04, 853.44 and 276.41 is: 414.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    569.04 : 853.44 = 276.41 : x
  2. Step 2: Convert to fraction form
    569.04/853.44 = 276.41/x
  3. Step 3: Cross multiply
    569.04x = 853.44 × 276.41
  4. Step 4: Simplify right side
    569.04x = 235,900.45
  5. Step 5: Solve for x
    x = 235,900.45/569.04
  6. Step 6: Final answer
    x = 414.56

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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.