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Finding the Fourth Proportional to 700.98, 1,052.26 and 376.98

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Solution

The fourth proportional to 700.98, 1,052.26 and 376.98 is: 565.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    700.98 : 1,052.26 = 376.98 : x
  2. Step 2: Convert to fraction form
    700.98/1,052.26 = 376.98/x
  3. Step 3: Cross multiply
    700.98x = 1,052.26 × 376.98
  4. Step 4: Simplify right side
    700.98x = 396,680.97
  5. Step 5: Solve for x
    x = 396,680.97/700.98
  6. Step 6: Final answer
    x = 565.89

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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.