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Finding the Fourth Proportional to 1,578.41, 2,367.24 and 700.43

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Solution

The fourth proportional to 1,578.41, 2,367.24 and 700.43 is: 1,050.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578.41 : 2,367.24 = 700.43 : x
  2. Step 2: Convert to fraction form
    1,578.41/2,367.24 = 700.43/x
  3. Step 3: Cross multiply
    1,578.41x = 2,367.24 × 700.43
  4. Step 4: Simplify right side
    1,578.41x = 1,658,085.91
  5. Step 5: Solve for x
    x = 1,658,085.91/1,578.41
  6. Step 6: Final answer
    x = 1,050.48

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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.