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Finding the Fourth Proportional to 1,597.01, 2,394.56 and 621.97

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Solution

The fourth proportional to 1,597.01, 2,394.56 and 621.97 is: 932.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,597.01 : 2,394.56 = 621.97 : x
  2. Step 2: Convert to fraction form
    1,597.01/2,394.56 = 621.97/x
  3. Step 3: Cross multiply
    1,597.01x = 2,394.56 × 621.97
  4. Step 4: Simplify right side
    1,597.01x = 1,489,340.05
  5. Step 5: Solve for x
    x = 1,489,340.05/1,597.01
  6. Step 6: Final answer
    x = 932.58

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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.