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Finding the Fourth Proportional to 263,990.40, 395,985.60 and 233,577.60

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Solution

The fourth proportional to 263,990.40, 395,985.60 and 233,577.60 is: 350,366.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,990.40 : 395,985.60 = 233,577.60 : x
  2. Step 2: Convert to fraction form
    263,990.40/395,985.60 = 233,577.60/x
  3. Step 3: Cross multiply
    263,990.40x = 395,985.60 × 233,577.60
  4. Step 4: Simplify right side
    263,990.40x = 92,493,366,082.56
  5. Step 5: Solve for x
    x = 92,493,366,082.56/263,990.40
  6. Step 6: Final answer
    x = 350,366.40

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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.