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Finding the Fourth Proportional to 937.16, 1,292.88 and 605.62

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Solution

The fourth proportional to 937.16, 1,292.88 and 605.62 is: 835.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    937.16 : 1,292.88 = 605.62 : x
  2. Step 2: Convert to fraction form
    937.16/1,292.88 = 605.62/x
  3. Step 3: Cross multiply
    937.16x = 1,292.88 × 605.62
  4. Step 4: Simplify right side
    937.16x = 782,993.99
  5. Step 5: Solve for x
    x = 782,993.99/937.16
  6. Step 6: Final answer
    x = 835.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.