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Finding the Fourth Proportional to 335,911, 463,507.48 and 190,694.20

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Solution

The fourth proportional to 335,911, 463,507.48 and 190,694.20 is: 263,129.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,911 : 463,507.48 = 190,694.20 : x
  2. Step 2: Convert to fraction form
    335,911/463,507.48 = 190,694.20/x
  3. Step 3: Cross multiply
    335,911x = 463,507.48 × 190,694.20
  4. Step 4: Simplify right side
    335,911x = 88,388,188,092.62
  5. Step 5: Solve for x
    x = 88,388,188,092.62/335,911
  6. Step 6: Final answer
    x = 263,129.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.