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Finding the Fourth Proportional to 370,238.88, 510,777.51 and 225,021.27

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Solution

The fourth proportional to 370,238.88, 510,777.51 and 225,021.27 is: 310,436.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,238.88 : 510,777.51 = 225,021.27 : x
  2. Step 2: Convert to fraction form
    370,238.88/510,777.51 = 225,021.27/x
  3. Step 3: Cross multiply
    370,238.88x = 510,777.51 × 225,021.27
  4. Step 4: Simplify right side
    370,238.88x = 114,935,801,433.75
  5. Step 5: Solve for x
    x = 114,935,801,433.75/370,238.88
  6. Step 6: Final answer
    x = 310,436.87

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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.