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Finding the Fourth Proportional to 1,599.44, 2,397.66 and 625.28

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Solution

The fourth proportional to 1,599.44, 2,397.66 and 625.28 is: 937.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,599.44 : 2,397.66 = 625.28 : x
  2. Step 2: Convert to fraction form
    1,599.44/2,397.66 = 625.28/x
  3. Step 3: Cross multiply
    1,599.44x = 2,397.66 × 625.28
  4. Step 4: Simplify right side
    1,599.44x = 1,499,208.84
  5. Step 5: Solve for x
    x = 1,499,208.84/1,599.44
  6. Step 6: Final answer
    x = 937.33

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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.