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Finding the Fourth Proportional to 394,897.54, 591,809.48 and 167,003.70

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Solution

The fourth proportional to 394,897.54, 591,809.48 and 167,003.70 is: 250,278.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,897.54 : 591,809.48 = 167,003.70 : x
  2. Step 2: Convert to fraction form
    394,897.54/591,809.48 = 167,003.70/x
  3. Step 3: Cross multiply
    394,897.54x = 591,809.48 × 167,003.70
  4. Step 4: Simplify right side
    394,897.54x = 98,834,372,646.32
  5. Step 5: Solve for x
    x = 98,834,372,646.32/394,897.54
  6. Step 6: Final answer
    x = 250,278.52

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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.