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Finding the Fourth Proportional to 394,501.20, 591,751.80 and 244,910.40

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Solution

The fourth proportional to 394,501.20, 591,751.80 and 244,910.40 is: 367,365.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,501.20 : 591,751.80 = 244,910.40 : x
  2. Step 2: Convert to fraction form
    394,501.20/591,751.80 = 244,910.40/x
  3. Step 3: Cross multiply
    394,501.20x = 591,751.80 × 244,910.40
  4. Step 4: Simplify right side
    394,501.20x = 144,926,170,038.72
  5. Step 5: Solve for x
    x = 144,926,170,038.72/394,501.20
  6. Step 6: Final answer
    x = 367,365.60

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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.