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Finding the Fourth Proportional to 937.95, 1,294.65 and 606.38

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Solution

The fourth proportional to 937.95, 1,294.65 and 606.38 is: 836.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    937.95 : 1,294.65 = 606.38 : x
  2. Step 2: Convert to fraction form
    937.95/1,294.65 = 606.38/x
  3. Step 3: Cross multiply
    937.95x = 1,294.65 × 606.38
  4. Step 4: Simplify right side
    937.95x = 785,043.39
  5. Step 5: Solve for x
    x = 785,043.39/937.95
  6. Step 6: Final answer
    x = 836.98

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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.