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Finding the Fourth Proportional to 703.83, 1,055.42 and 241.49

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Solution

The fourth proportional to 703.83, 1,055.42 and 241.49 is: 362.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    703.83 : 1,055.42 = 241.49 : x
  2. Step 2: Convert to fraction form
    703.83/1,055.42 = 241.49/x
  3. Step 3: Cross multiply
    703.83x = 1,055.42 × 241.49
  4. Step 4: Simplify right side
    703.83x = 254,872.66
  5. Step 5: Solve for x
    x = 254,872.66/703.83
  6. Step 6: Final answer
    x = 362.12

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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.