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Finding the Fourth Proportional to 700.22, 1,049.52 and 635.42

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Solution

The fourth proportional to 700.22, 1,049.52 and 635.42 is: 952.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    700.22 : 1,049.52 = 635.42 : x
  2. Step 2: Convert to fraction form
    700.22/1,049.52 = 635.42/x
  3. Step 3: Cross multiply
    700.22x = 1,049.52 × 635.42
  4. Step 4: Simplify right side
    700.22x = 666,886.00
  5. Step 5: Solve for x
    x = 666,886.00/700.22
  6. Step 6: Final answer
    x = 952.39

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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.