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Finding the Fourth Proportional to 618,606.08, 927,909.62 and 169,330.67

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Solution

The fourth proportional to 618,606.08, 927,909.62 and 169,330.67 is: 253,996.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,606.08 : 927,909.62 = 169,330.67 : x
  2. Step 2: Convert to fraction form
    618,606.08/927,909.62 = 169,330.67/x
  3. Step 3: Cross multiply
    618,606.08x = 927,909.62 × 169,330.67
  4. Step 4: Simplify right side
    618,606.08x = 157,123,557,234.98
  5. Step 5: Solve for x
    x = 157,123,557,234.98/618,606.08
  6. Step 6: Final answer
    x = 253,996.14

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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.