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Finding the Fourth Proportional to 444,594.75, 613,540.79 and 243,390.75

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Solution

The fourth proportional to 444,594.75, 613,540.79 and 243,390.75 is: 335,879.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,594.75 : 613,540.79 = 243,390.75 : x
  2. Step 2: Convert to fraction form
    444,594.75/613,540.79 = 243,390.75/x
  3. Step 3: Cross multiply
    444,594.75x = 613,540.79 × 243,390.75
  4. Step 4: Simplify right side
    444,594.75x = 149,330,151,816.74
  5. Step 5: Solve for x
    x = 149,330,151,816.74/444,594.75
  6. Step 6: Final answer
    x = 335,879.25

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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.