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Finding the Fourth Proportional to 618,057.80, 926,856.30 and 244,003.40

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Solution

The fourth proportional to 618,057.80, 926,856.30 and 244,003.40 is: 365,914.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,057.80 : 926,856.30 = 244,003.40 : x
  2. Step 2: Convert to fraction form
    618,057.80/926,856.30 = 244,003.40/x
  3. Step 3: Cross multiply
    618,057.80x = 926,856.30 × 244,003.40
  4. Step 4: Simplify right side
    618,057.80x = 226,156,088,511.42
  5. Step 5: Solve for x
    x = 226,156,088,511.42/618,057.80
  6. Step 6: Final answer
    x = 365,914.14

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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.