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Finding the Fourth Proportional to 935.21, 1,402.83 and 241.89

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Solution

The fourth proportional to 935.21, 1,402.83 and 241.89 is: 362.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    935.21 : 1,402.83 = 241.89 : x
  2. Step 2: Convert to fraction form
    935.21/1,402.83 = 241.89/x
  3. Step 3: Cross multiply
    935.21x = 1,402.83 × 241.89
  4. Step 4: Simplify right side
    935.21x = 339,330.55
  5. Step 5: Solve for x
    x = 339,330.55/935.21
  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.