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Finding the Fourth Proportional to 935.96, 1,402.52 and 524.48

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Solution

The fourth proportional to 935.96, 1,402.52 and 524.48 is: 785.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    935.96 : 1,402.52 = 524.48 : x
  2. Step 2: Convert to fraction form
    935.96/1,402.52 = 524.48/x
  3. Step 3: Cross multiply
    935.96x = 1,402.52 × 524.48
  4. Step 4: Simplify right side
    935.96x = 735,584.05
  5. Step 5: Solve for x
    x = 735,584.05/935.96
  6. Step 6: Final answer
    x = 785.92

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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.