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Finding the Fourth Proportional to 327,544.61, 490,529.59 and 186,876.77

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Solution

The fourth proportional to 327,544.61, 490,529.59 and 186,876.77 is: 279,865.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,544.61 : 490,529.59 = 186,876.77 : x
  2. Step 2: Convert to fraction form
    327,544.61/490,529.59 = 186,876.77/x
  3. Step 3: Cross multiply
    327,544.61x = 490,529.59 × 186,876.77
  4. Step 4: Simplify right side
    327,544.61x = 91,668,582,448.78
  5. Step 5: Solve for x
    x = 91,668,582,448.78/327,544.61
  6. Step 6: Final answer
    x = 279,865.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.