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Finding the Fourth Proportional to 833.92, 1,150.90 and 460.98

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Solution

The fourth proportional to 833.92, 1,150.90 and 460.98 is: 636.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    833.92 : 1,150.90 = 460.98 : x
  2. Step 2: Convert to fraction form
    833.92/1,150.90 = 460.98/x
  3. Step 3: Cross multiply
    833.92x = 1,150.90 × 460.98
  4. Step 4: Simplify right side
    833.92x = 530,541.88
  5. Step 5: Solve for x
    x = 530,541.88/833.92
  6. Step 6: Final answer
    x = 636.20

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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.