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Finding the Fourth Proportional to 833.44, 1,250.58 and 400.48

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Solution

The fourth proportional to 833.44, 1,250.58 and 400.48 is: 600.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    833.44 : 1,250.58 = 400.48 : x
  2. Step 2: Convert to fraction form
    833.44/1,250.58 = 400.48/x
  3. Step 3: Cross multiply
    833.44x = 1,250.58 × 400.48
  4. Step 4: Simplify right side
    833.44x = 500,832.28
  5. Step 5: Solve for x
    x = 500,832.28/833.44
  6. Step 6: Final answer
    x = 600.92

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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.