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Finding the Fourth Proportional to 606,139.11, 836,286.48 and 351,439.47

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Solution

The fourth proportional to 606,139.11, 836,286.48 and 351,439.47 is: 484,878.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,139.11 : 836,286.48 = 351,439.47 : x
  2. Step 2: Convert to fraction form
    606,139.11/836,286.48 = 351,439.47/x
  3. Step 3: Cross multiply
    606,139.11x = 836,286.48 × 351,439.47
  4. Step 4: Simplify right side
    606,139.11x = 293,904,077,299.37
  5. Step 5: Solve for x
    x = 293,904,077,299.37/606,139.11
  6. Step 6: Final answer
    x = 484,878.92

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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.