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Finding the Fourth Proportional to 554.85, 832.11 and 164.82

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Solution

The fourth proportional to 554.85, 832.11 and 164.82 is: 247.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    554.85 : 832.11 = 164.82 : x
  2. Step 2: Convert to fraction form
    554.85/832.11 = 164.82/x
  3. Step 3: Cross multiply
    554.85x = 832.11 × 164.82
  4. Step 4: Simplify right side
    554.85x = 137,148.37
  5. Step 5: Solve for x
    x = 137,148.37/554.85
  6. Step 6: Final answer
    x = 247.18

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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.