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Finding the Fourth Proportional to 397,553.76, 548,614.24 and 227,776.92

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Solution

The fourth proportional to 397,553.76, 548,614.24 and 227,776.92 is: 314,326.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,553.76 : 548,614.24 = 227,776.92 : x
  2. Step 2: Convert to fraction form
    397,553.76/548,614.24 = 227,776.92/x
  3. Step 3: Cross multiply
    397,553.76x = 548,614.24 × 227,776.92
  4. Step 4: Simplify right side
    397,553.76x = 124,961,661,855.34
  5. Step 5: Solve for x
    x = 124,961,661,855.34/397,553.76
  6. Step 6: Final answer
    x = 314,326.45

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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.