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Finding the Fourth Proportional to 394,649.37, 591,922.76 and 157,994.37

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Solution

The fourth proportional to 394,649.37, 591,922.76 and 157,994.37 is: 236,971.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,649.37 : 591,922.76 = 157,994.37 : x
  2. Step 2: Convert to fraction form
    394,649.37/591,922.76 = 157,994.37/x
  3. Step 3: Cross multiply
    394,649.37x = 591,922.76 × 157,994.37
  4. Step 4: Simplify right side
    394,649.37x = 93,520,462,764.89
  5. Step 5: Solve for x
    x = 93,520,462,764.89/394,649.37
  6. Step 6: Final answer
    x = 236,971.02

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1.5x scale

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.