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Finding the Fourth Proportional to 394,265.20, 591,543.60 and 157,777.60

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Solution

The fourth proportional to 394,265.20, 591,543.60 and 157,777.60 is: 236,724.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,265.20 : 591,543.60 = 157,777.60 : x
  2. Step 2: Convert to fraction form
    394,265.20/591,543.60 = 157,777.60/x
  3. Step 3: Cross multiply
    394,265.20x = 591,543.60 × 157,777.60
  4. Step 4: Simplify right side
    394,265.20x = 93,332,329,503.36
  5. Step 5: Solve for x
    x = 93,332,329,503.36/394,265.20
  6. Step 6: Final answer
    x = 236,724.75

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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.