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Finding the Fourth Proportional to 375.56, 563.28 and 119

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Solution

The fourth proportional to 375.56, 563.28 and 119 is: 178.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    375.56 : 563.28 = 119 : x
  2. Step 2: Convert to fraction form
    375.56/563.28 = 119/x
  3. Step 3: Cross multiply
    375.56x = 563.28 × 119
  4. Step 4: Simplify right side
    375.56x = 67,030.32
  5. Step 5: Solve for x
    x = 67,030.32/375.56
  6. Step 6: Final answer
    x = 178.48

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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.