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Finding the Fourth Proportional to 393,879.56, 591,000.78 and 244,295.24

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Solution

The fourth proportional to 393,879.56, 591,000.78 and 244,295.24 is: 366,555.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,879.56 : 591,000.78 = 244,295.24 : x
  2. Step 2: Convert to fraction form
    393,879.56/591,000.78 = 244,295.24/x
  3. Step 3: Cross multiply
    393,879.56x = 591,000.78 × 244,295.24
  4. Step 4: Simplify right side
    393,879.56x = 144,378,677,390.29
  5. Step 5: Solve for x
    x = 144,378,677,390.29/393,879.56
  6. Step 6: Final answer
    x = 366,555.39

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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.