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Finding the Fourth Proportional to 1,594.47, 2,390.26 and 568.23

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Solution

The fourth proportional to 1,594.47, 2,390.26 and 568.23 is: 851.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,594.47 : 2,390.26 = 568.23 : x
  2. Step 2: Convert to fraction form
    1,594.47/2,390.26 = 568.23/x
  3. Step 3: Cross multiply
    1,594.47x = 2,390.26 × 568.23
  4. Step 4: Simplify right side
    1,594.47x = 1,358,217.44
  5. Step 5: Solve for x
    x = 1,358,217.44/1,594.47
  6. Step 6: Final answer
    x = 851.83

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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.