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Finding the Fourth Proportional to 704.22, 1,055.79 and 241.74

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Solution

The fourth proportional to 704.22, 1,055.79 and 241.74 is: 362.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    704.22 : 1,055.79 = 241.74 : x
  2. Step 2: Convert to fraction form
    704.22/1,055.79 = 241.74/x
  3. Step 3: Cross multiply
    704.22x = 1,055.79 × 241.74
  4. Step 4: Simplify right side
    704.22x = 255,226.67
  5. Step 5: Solve for x
    x = 255,226.67/704.22
  6. Step 6: Final answer
    x = 362.42

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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.