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Finding the Fourth Proportional to 332,406.46, 458,757.03 and 205,078.78

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Solution

The fourth proportional to 332,406.46, 458,757.03 and 205,078.78 is: 283,031.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,406.46 : 458,757.03 = 205,078.78 : x
  2. Step 2: Convert to fraction form
    332,406.46/458,757.03 = 205,078.78/x
  3. Step 3: Cross multiply
    332,406.46x = 458,757.03 × 205,078.78
  4. Step 4: Simplify right side
    332,406.46x = 94,081,332,028.82
  5. Step 5: Solve for x
    x = 94,081,332,028.82/332,406.46
  6. Step 6: Final answer
    x = 283,031.00

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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.