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Finding the Fourth Proportional to 444,596.25, 613,542.86 and 243,392.25

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Solution

The fourth proportional to 444,596.25, 613,542.86 and 243,392.25 is: 335,881.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,596.25 : 613,542.86 = 243,392.25 : x
  2. Step 2: Convert to fraction form
    444,596.25/613,542.86 = 243,392.25/x
  3. Step 3: Cross multiply
    444,596.25x = 613,542.86 × 243,392.25
  4. Step 4: Simplify right side
    444,596.25x = 149,331,575,949.87
  5. Step 5: Solve for x
    x = 149,331,575,949.87/444,596.25
  6. Step 6: Final answer
    x = 335,881.32

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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.