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Finding the Fourth Proportional to 935.44, 1,401.96 and 524.56

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Solution

The fourth proportional to 935.44, 1,401.96 and 524.56 is: 786.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    935.44 : 1,401.96 = 524.56 : x
  2. Step 2: Convert to fraction form
    935.44/1,401.96 = 524.56/x
  3. Step 3: Cross multiply
    935.44x = 1,401.96 × 524.56
  4. Step 4: Simplify right side
    935.44x = 735,412.14
  5. Step 5: Solve for x
    x = 735,412.14/935.44
  6. Step 6: Final answer
    x = 786.17

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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.