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Finding the Fourth Proportional to 663,067.60, 994,601.40 and 164,431.60

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Solution

The fourth proportional to 663,067.60, 994,601.40 and 164,431.60 is: 246,647.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,067.60 : 994,601.40 = 164,431.60 : x
  2. Step 2: Convert to fraction form
    663,067.60/994,601.40 = 164,431.60/x
  3. Step 3: Cross multiply
    663,067.60x = 994,601.40 × 164,431.60
  4. Step 4: Simplify right side
    663,067.60x = 163,543,899,564.24
  5. Step 5: Solve for x
    x = 163,543,899,564.24/663,067.60
  6. Step 6: Final answer
    x = 246,647.40

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Similar ratio
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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.