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Finding the Fourth Proportional to 618,443.94, 927,693.87 and 169,154.76

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Solution

The fourth proportional to 618,443.94, 927,693.87 and 169,154.76 is: 253,739.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,443.94 : 927,693.87 = 169,154.76 : x
  2. Step 2: Convert to fraction form
    618,443.94/927,693.87 = 169,154.76/x
  3. Step 3: Cross multiply
    618,443.94x = 927,693.87 × 169,154.76
  4. Step 4: Simplify right side
    618,443.94x = 156,923,833,933.32
  5. Step 5: Solve for x
    x = 156,923,833,933.32/618,443.94
  6. Step 6: Final answer
    x = 253,739.79

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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.