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Finding the Fourth Proportional to 934.64, 1,401.84 and 241.25

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Solution

The fourth proportional to 934.64, 1,401.84 and 241.25 is: 361.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    934.64 : 1,401.84 = 241.25 : x
  2. Step 2: Convert to fraction form
    934.64/1,401.84 = 241.25/x
  3. Step 3: Cross multiply
    934.64x = 1,401.84 × 241.25
  4. Step 4: Simplify right side
    934.64x = 338,199.74
  5. Step 5: Solve for x
    x = 338,199.74/934.64
  6. Step 6: Final answer
    x = 361.85

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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.