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Finding the Fourth Proportional to 937.62, 1,293.66 and 606.16

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Solution

The fourth proportional to 937.62, 1,293.66 and 606.16 is: 836.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    937.62 : 1,293.66 = 606.16 : x
  2. Step 2: Convert to fraction form
    937.62/1,293.66 = 606.16/x
  3. Step 3: Cross multiply
    937.62x = 1,293.66 × 606.16
  4. Step 4: Simplify right side
    937.62x = 784,164.95
  5. Step 5: Solve for x
    x = 784,164.95/937.62
  6. Step 6: Final answer
    x = 836.34

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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.