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Finding the Fourth Proportional to 327,543.98, 490,528.63 and 186,876.14

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Solution

The fourth proportional to 327,543.98, 490,528.63 and 186,876.14 is: 279,865.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,543.98 : 490,528.63 = 186,876.14 : x
  2. Step 2: Convert to fraction form
    327,543.98/490,528.63 = 186,876.14/x
  3. Step 3: Cross multiply
    327,543.98x = 490,528.63 × 186,876.14
  4. Step 4: Simplify right side
    327,543.98x = 91,668,096,933.89
  5. Step 5: Solve for x
    x = 91,668,096,933.89/327,543.98
  6. Step 6: Final answer
    x = 279,865.00

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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.