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Finding the Fourth Proportional to 935.41, 1,402.27 and 350.02

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Solution

The fourth proportional to 935.41, 1,402.27 and 350.02 is: 524.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    935.41 : 1,402.27 = 350.02 : x
  2. Step 2: Convert to fraction form
    935.41/1,402.27 = 350.02/x
  3. Step 3: Cross multiply
    935.41x = 1,402.27 × 350.02
  4. Step 4: Simplify right side
    935.41x = 490,822.55
  5. Step 5: Solve for x
    x = 490,822.55/935.41
  6. Step 6: Final answer
    x = 524.71

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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.