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Finding the Fourth Proportional to 606,505.27, 836,719.09 and 445,079.83

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Solution

The fourth proportional to 606,505.27, 836,719.09 and 445,079.83 is: 614,020.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,505.27 : 836,719.09 = 445,079.83 : x
  2. Step 2: Convert to fraction form
    606,505.27/836,719.09 = 445,079.83/x
  3. Step 3: Cross multiply
    606,505.27x = 836,719.09 × 445,079.83
  4. Step 4: Simplify right side
    606,505.27x = 372,406,790,334.96
  5. Step 5: Solve for x
    x = 372,406,790,334.96/606,505.27
  6. Step 6: Final answer
    x = 614,020.70

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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.