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Finding the Fourth Proportional to 327,557.52, 490,548.88 and 186,889.68

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Solution

The fourth proportional to 327,557.52, 490,548.88 and 186,889.68 is: 279,885.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,557.52 : 490,548.88 = 186,889.68 : x
  2. Step 2: Convert to fraction form
    327,557.52/490,548.88 = 186,889.68/x
  3. Step 3: Cross multiply
    327,557.52x = 490,548.88 × 186,889.68
  4. Step 4: Simplify right side
    327,557.52x = 91,678,523,207.56
  5. Step 5: Solve for x
    x = 91,678,523,207.56/327,557.52
  6. Step 6: Final answer
    x = 279,885.26

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1.5x scale

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.