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Finding the Fourth Proportional to 536,942.80, 805,414.20 and 162,965.20

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Solution

The fourth proportional to 536,942.80, 805,414.20 and 162,965.20 is: 244,447.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,942.80 : 805,414.20 = 162,965.20 : x
  2. Step 2: Convert to fraction form
    536,942.80/805,414.20 = 162,965.20/x
  3. Step 3: Cross multiply
    536,942.80x = 805,414.20 × 162,965.20
  4. Step 4: Simplify right side
    536,942.80x = 131,254,486,185.84
  5. Step 5: Solve for x
    x = 131,254,486,185.84/536,942.80
  6. Step 6: Final answer
    x = 244,447.80

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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.