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Finding the Fourth Proportional to 496,571.25, 685,268.33 and 270,218.37

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Solution

The fourth proportional to 496,571.25, 685,268.33 and 270,218.37 is: 372,901.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,571.25 : 685,268.33 = 270,218.37 : x
  2. Step 2: Convert to fraction form
    496,571.25/685,268.33 = 270,218.37/x
  3. Step 3: Cross multiply
    496,571.25x = 685,268.33 × 270,218.37
  4. Step 4: Simplify right side
    496,571.25x = 185,172,089,794.13
  5. Step 5: Solve for x
    x = 185,172,089,794.13/496,571.25
  6. Step 6: Final answer
    x = 372,901.35

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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.