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Finding the Fourth Proportional to 894.26, 1,341.92 and 374.22

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Solution

The fourth proportional to 894.26, 1,341.92 and 374.22 is: 561.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    894.26 : 1,341.92 = 374.22 : x
  2. Step 2: Convert to fraction form
    894.26/1,341.92 = 374.22/x
  3. Step 3: Cross multiply
    894.26x = 1,341.92 × 374.22
  4. Step 4: Simplify right side
    894.26x = 502,171.43
  5. Step 5: Solve for x
    x = 502,171.43/894.26
  6. Step 6: Final answer
    x = 561.55

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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.