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Finding the Fourth Proportional to 327,529.98, 490,507.65 and 186,862.14

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Solution

The fourth proportional to 327,529.98, 490,507.65 and 186,862.14 is: 279,844.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,529.98 : 490,507.65 = 186,862.14 : x
  2. Step 2: Convert to fraction form
    327,529.98/490,507.65 = 186,862.14/x
  3. Step 3: Cross multiply
    327,529.98x = 490,507.65 × 186,862.14
  4. Step 4: Simplify right side
    327,529.98x = 91,657,309,165.37
  5. Step 5: Solve for x
    x = 91,657,309,165.37/327,529.98
  6. Step 6: Final answer
    x = 279,844.03

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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.