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Finding the Fourth Proportional to 935.23, 1,402.84 and 241.90

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Solution

The fourth proportional to 935.23, 1,402.84 and 241.90 is: 362.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    935.23 : 1,402.84 = 241.90 : x
  2. Step 2: Convert to fraction form
    935.23/1,402.84 = 241.90/x
  3. Step 3: Cross multiply
    935.23x = 1,402.84 × 241.90
  4. Step 4: Simplify right side
    935.23x = 339,347.00
  5. Step 5: Solve for x
    x = 339,347.00/935.23
  6. Step 6: Final answer
    x = 362.85

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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.