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Finding the Fourth Proportional to 331,461.30, 496,863.90 and 162,843.60

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Solution

The fourth proportional to 331,461.30, 496,863.90 and 162,843.60 is: 244,104.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,461.30 : 496,863.90 = 162,843.60 : x
  2. Step 2: Convert to fraction form
    331,461.30/496,863.90 = 162,843.60/x
  3. Step 3: Cross multiply
    331,461.30x = 496,863.90 × 162,843.60
  4. Step 4: Simplify right side
    331,461.30x = 80,911,106,186.04
  5. Step 5: Solve for x
    x = 80,911,106,186.04/331,461.30
  6. Step 6: Final answer
    x = 244,104.23

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1.5x scale

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.