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Finding the Fourth Proportional to 327,545.48, 490,530.90 and 186,877.64

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Solution

The fourth proportional to 327,545.48, 490,530.90 and 186,877.64 is: 279,867.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,545.48 : 490,530.90 = 186,877.64 : x
  2. Step 2: Convert to fraction form
    327,545.48/490,530.90 = 186,877.64/x
  3. Step 3: Cross multiply
    327,545.48x = 490,530.90 × 186,877.64
  4. Step 4: Simplify right side
    327,545.48x = 91,669,256,939.08
  5. Step 5: Solve for x
    x = 91,669,256,939.08/327,545.48
  6. Step 6: Final answer
    x = 279,867.26

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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.