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Finding the Fourth Proportional to 703.68, 1,055.43 and 241.44

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Solution

The fourth proportional to 703.68, 1,055.43 and 241.44 is: 362.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    703.68 : 1,055.43 = 241.44 : x
  2. Step 2: Convert to fraction form
    703.68/1,055.43 = 241.44/x
  3. Step 3: Cross multiply
    703.68x = 1,055.43 × 241.44
  4. Step 4: Simplify right side
    703.68x = 254,823.02
  5. Step 5: Solve for x
    x = 254,823.02/703.68
  6. Step 6: Final answer
    x = 362.13

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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.