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Finding the Fourth Proportional to 350,720.69, 483,994.44 and 189,575.64

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Solution

The fourth proportional to 350,720.69, 483,994.44 and 189,575.64 is: 261,614.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,720.69 : 483,994.44 = 189,575.64 : x
  2. Step 2: Convert to fraction form
    350,720.69/483,994.44 = 189,575.64/x
  3. Step 3: Cross multiply
    350,720.69x = 483,994.44 × 189,575.64
  4. Step 4: Simplify right side
    350,720.69x = 91,753,555,719.44
  5. Step 5: Solve for x
    x = 91,753,555,719.44/350,720.69
  6. Step 6: Final answer
    x = 261,614.33

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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.