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Finding the Fourth Proportional to 367,469.94, 506,058.48 and 330,859.56

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Solution

The fourth proportional to 367,469.94, 506,058.48 and 330,859.56 is: 455,640.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,469.94 : 506,058.48 = 330,859.56 : x
  2. Step 2: Convert to fraction form
    367,469.94/506,058.48 = 330,859.56/x
  3. Step 3: Cross multiply
    367,469.94x = 506,058.48 × 330,859.56
  4. Step 4: Simplify right side
    367,469.94x = 167,434,286,027.07
  5. Step 5: Solve for x
    x = 167,434,286,027.07/367,469.94
  6. Step 6: Final answer
    x = 455,640.77

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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.