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Finding the Fourth Proportional to 394,898.10, 591,810.32 and 167,004.27

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Solution

The fourth proportional to 394,898.10, 591,810.32 and 167,004.27 is: 250,279.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,898.10 : 591,810.32 = 167,004.27 : x
  2. Step 2: Convert to fraction form
    394,898.10/591,810.32 = 167,004.27/x
  3. Step 3: Cross multiply
    394,898.10x = 591,810.32 × 167,004.27
  4. Step 4: Simplify right side
    394,898.10x = 98,834,850,470.07
  5. Step 5: Solve for x
    x = 98,834,850,470.07/394,898.10
  6. Step 6: Final answer
    x = 250,279.38

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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.