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Finding the Fourth Proportional to 263,651.66, 395,496.07 and 130,496.16

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Solution

The fourth proportional to 263,651.66, 395,496.07 and 130,496.16 is: 195,753.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,651.66 : 395,496.07 = 130,496.16 : x
  2. Step 2: Convert to fraction form
    263,651.66/395,496.07 = 130,496.16/x
  3. Step 3: Cross multiply
    263,651.66x = 395,496.07 × 130,496.16
  4. Step 4: Simplify right side
    263,651.66x = 51,610,719,586.96
  5. Step 5: Solve for x
    x = 51,610,719,586.96/263,651.66
  6. Step 6: Final answer
    x = 195,753.44

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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.