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Finding the Fourth Proportional to 704.15, 1,056.16 and 241.91

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Solution

The fourth proportional to 704.15, 1,056.16 and 241.91 is: 362.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    704.15 : 1,056.16 = 241.91 : x
  2. Step 2: Convert to fraction form
    704.15/1,056.16 = 241.91/x
  3. Step 3: Cross multiply
    704.15x = 1,056.16 × 241.91
  4. Step 4: Simplify right side
    704.15x = 255,489.78
  5. Step 5: Solve for x
    x = 255,489.78/704.15
  6. Step 6: Final answer
    x = 362.84

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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.