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Finding the Fourth Proportional to 377.12, 564.60 and 335.48

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Solution

The fourth proportional to 377.12, 564.60 and 335.48 is: 502.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    377.12 : 564.60 = 335.48 : x
  2. Step 2: Convert to fraction form
    377.12/564.60 = 335.48/x
  3. Step 3: Cross multiply
    377.12x = 564.60 × 335.48
  4. Step 4: Simplify right side
    377.12x = 189,412.01
  5. Step 5: Solve for x
    x = 189,412.01/377.12
  6. Step 6: Final answer
    x = 502.26

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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.