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Finding the Fourth Proportional to 394,581.66, 591,807.69 and 169,881.59

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Solution

The fourth proportional to 394,581.66, 591,807.69 and 169,881.59 is: 254,794.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,581.66 : 591,807.69 = 169,881.59 : x
  2. Step 2: Convert to fraction form
    394,581.66/591,807.69 = 169,881.59/x
  3. Step 3: Cross multiply
    394,581.66x = 591,807.69 × 169,881.59
  4. Step 4: Simplify right side
    394,581.66x = 100,537,228,392.39
  5. Step 5: Solve for x
    x = 100,537,228,392.39/394,581.66
  6. Step 6: Final answer
    x = 254,794.48

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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.