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Finding the Fourth Proportional to 469.46, 704.81 and 376.97

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Solution

The fourth proportional to 469.46, 704.81 and 376.97 is: 565.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    469.46 : 704.81 = 376.97 : x
  2. Step 2: Convert to fraction form
    469.46/704.81 = 376.97/x
  3. Step 3: Cross multiply
    469.46x = 704.81 × 376.97
  4. Step 4: Simplify right side
    469.46x = 265,686.82
  5. Step 5: Solve for x
    x = 265,686.82/469.46
  6. Step 6: Final answer
    x = 565.95

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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.