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Finding the Fourth Proportional to 496,641.56, 685,352.22 and 270,282.20

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Solution

The fourth proportional to 496,641.56, 685,352.22 and 270,282.20 is: 372,982.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,641.56 : 685,352.22 = 270,282.20 : x
  2. Step 2: Convert to fraction form
    496,641.56/685,352.22 = 270,282.20/x
  3. Step 3: Cross multiply
    496,641.56x = 685,352.22 × 270,282.20
  4. Step 4: Simplify right side
    496,641.56x = 185,238,505,796.48
  5. Step 5: Solve for x
    x = 185,238,505,796.48/496,641.56
  6. Step 6: Final answer
    x = 372,982.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.