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Finding the Fourth Proportional to 937.93, 1,293.45 and 606.47

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Solution

The fourth proportional to 937.93, 1,293.45 and 606.47 is: 836.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    937.93 : 1,293.45 = 606.47 : x
  2. Step 2: Convert to fraction form
    937.93/1,293.45 = 606.47/x
  3. Step 3: Cross multiply
    937.93x = 1,293.45 × 606.47
  4. Step 4: Simplify right side
    937.93x = 784,438.62
  5. Step 5: Solve for x
    x = 784,438.62/937.93
  6. Step 6: Final answer
    x = 836.35

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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.