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Finding the Fourth Proportional to 833.43, 1,150.21 and 460.48

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Solution

The fourth proportional to 833.43, 1,150.21 and 460.48 is: 635.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    833.43 : 1,150.21 = 460.48 : x
  2. Step 2: Convert to fraction form
    833.43/1,150.21 = 460.48/x
  3. Step 3: Cross multiply
    833.43x = 1,150.21 × 460.48
  4. Step 4: Simplify right side
    833.43x = 529,648.70
  5. Step 5: Solve for x
    x = 529,648.70/833.43
  6. Step 6: Final answer
    x = 635.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.