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Finding the Fourth Proportional to 935.17, 1,400.25 and 523.14

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Solution

The fourth proportional to 935.17, 1,400.25 and 523.14 is: 783.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    935.17 : 1,400.25 = 523.14 : x
  2. Step 2: Convert to fraction form
    935.17/1,400.25 = 523.14/x
  3. Step 3: Cross multiply
    935.17x = 1,400.25 × 523.14
  4. Step 4: Simplify right side
    935.17x = 732,520.55
  5. Step 5: Solve for x
    x = 732,520.55/935.17
  6. Step 6: Final answer
    x = 783.30

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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.