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Finding the Fourth Proportional to 418,209.48, 577,131.48 and 227,224.44

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Solution

The fourth proportional to 418,209.48, 577,131.48 and 227,224.44 is: 313,571.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,209.48 : 577,131.48 = 227,224.44 : x
  2. Step 2: Convert to fraction form
    418,209.48/577,131.48 = 227,224.44/x
  3. Step 3: Cross multiply
    418,209.48x = 577,131.48 × 227,224.44
  4. Step 4: Simplify right side
    418,209.48x = 131,138,377,349.37
  5. Step 5: Solve for x
    x = 131,138,377,349.37/418,209.48
  6. Step 6: Final answer
    x = 313,571.03

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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.