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Finding the Fourth Proportional to 1,694.61, 2,540.97 and 583.47

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Solution

The fourth proportional to 1,694.61, 2,540.97 and 583.47 is: 874.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,694.61 : 2,540.97 = 583.47 : x
  2. Step 2: Convert to fraction form
    1,694.61/2,540.97 = 583.47/x
  3. Step 3: Cross multiply
    1,694.61x = 2,540.97 × 583.47
  4. Step 4: Simplify right side
    1,694.61x = 1,482,579.77
  5. Step 5: Solve for x
    x = 1,482,579.77/1,694.61
  6. Step 6: Final answer
    x = 874.88

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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.