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Finding the Fourth Proportional to 609,066.26, 913,229.43 and 305,106.92

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Solution

The fourth proportional to 609,066.26, 913,229.43 and 305,106.92 is: 457,475.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,066.26 : 913,229.43 = 305,106.92 : x
  2. Step 2: Convert to fraction form
    609,066.26/913,229.43 = 305,106.92/x
  3. Step 3: Cross multiply
    609,066.26x = 913,229.43 × 305,106.92
  4. Step 4: Simplify right side
    609,066.26x = 278,632,617,858.86
  5. Step 5: Solve for x
    x = 278,632,617,858.86/609,066.26
  6. Step 6: Final answer
    x = 457,475.05

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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.