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Finding the Fourth Proportional to 303.34, 454.98 and 164.56

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Solution

The fourth proportional to 303.34, 454.98 and 164.56 is: 246.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    303.34 : 454.98 = 164.56 : x
  2. Step 2: Convert to fraction form
    303.34/454.98 = 164.56/x
  3. Step 3: Cross multiply
    303.34x = 454.98 × 164.56
  4. Step 4: Simplify right side
    303.34x = 74,871.51
  5. Step 5: Solve for x
    x = 74,871.51/303.34
  6. Step 6: Final answer
    x = 246.82

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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.