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Finding the Fourth Proportional to 329,462.20, 454,665.72 and 186,222.79

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Solution

The fourth proportional to 329,462.20, 454,665.72 and 186,222.79 is: 256,991.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,462.20 : 454,665.72 = 186,222.79 : x
  2. Step 2: Convert to fraction form
    329,462.20/454,665.72 = 186,222.79/x
  3. Step 3: Cross multiply
    329,462.20x = 454,665.72 × 186,222.79
  4. Step 4: Simplify right side
    329,462.20x = 84,669,118,895.76
  5. Step 5: Solve for x
    x = 84,669,118,895.76/329,462.20
  6. Step 6: Final answer
    x = 256,991.91

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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.