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Finding the Fourth Proportional to 1,693.71, 2,540.26 and 598.08

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Solution

The fourth proportional to 1,693.71, 2,540.26 and 598.08 is: 897.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693.71 : 2,540.26 = 598.08 : x
  2. Step 2: Convert to fraction form
    1,693.71/2,540.26 = 598.08/x
  3. Step 3: Cross multiply
    1,693.71x = 2,540.26 × 598.08
  4. Step 4: Simplify right side
    1,693.71x = 1,519,288.97
  5. Step 5: Solve for x
    x = 1,519,288.97/1,693.71
  6. Step 6: Final answer
    x = 897.02

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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.