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Finding the Fourth Proportional to 935.35, 1,402.04 and 605.88

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Solution

The fourth proportional to 935.35, 1,402.04 and 605.88 is: 908.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    935.35 : 1,402.04 = 605.88 : x
  2. Step 2: Convert to fraction form
    935.35/1,402.04 = 605.88/x
  3. Step 3: Cross multiply
    935.35x = 1,402.04 × 605.88
  4. Step 4: Simplify right side
    935.35x = 849,469.51
  5. Step 5: Solve for x
    x = 849,469.51/935.35
  6. Step 6: Final answer
    x = 908.19

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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.