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Finding the Fourth Proportional to 606,309.72, 836,698.86 and 351,704.04

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Solution

The fourth proportional to 606,309.72, 836,698.86 and 351,704.04 is: 485,346.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,309.72 : 836,698.86 = 351,704.04 : x
  2. Step 2: Convert to fraction form
    606,309.72/836,698.86 = 351,704.04/x
  3. Step 3: Cross multiply
    606,309.72x = 836,698.86 × 351,704.04
  4. Step 4: Simplify right side
    606,309.72x = 294,270,369,325.39
  5. Step 5: Solve for x
    x = 294,270,369,325.39/606,309.72
  6. Step 6: Final answer
    x = 485,346.61

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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.