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Finding the Fourth Proportional to 700.95, 1,052.82 and 441.12

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Solution

The fourth proportional to 700.95, 1,052.82 and 441.12 is: 662.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    700.95 : 1,052.82 = 441.12 : x
  2. Step 2: Convert to fraction form
    700.95/1,052.82 = 441.12/x
  3. Step 3: Cross multiply
    700.95x = 1,052.82 × 441.12
  4. Step 4: Simplify right side
    700.95x = 464,419.96
  5. Step 5: Solve for x
    x = 464,419.96/700.95
  6. Step 6: Final answer
    x = 662.56

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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.