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Finding the Fourth Proportional to 397,554.73, 548,615.64 and 227,777.92

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Solution

The fourth proportional to 397,554.73, 548,615.64 and 227,777.92 is: 314,327.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,554.73 : 548,615.64 = 227,777.92 : x
  2. Step 2: Convert to fraction form
    397,554.73/548,615.64 = 227,777.92/x
  3. Step 3: Cross multiply
    397,554.73x = 548,615.64 × 227,777.92
  4. Step 4: Simplify right side
    397,554.73x = 124,962,529,358.67
  5. Step 5: Solve for x
    x = 124,962,529,358.67/397,554.73
  6. Step 6: Final answer
    x = 314,327.86

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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.