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Finding the Fourth Proportional to 668,674.88, 1,003,008.83 and 163,238.54

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Solution

The fourth proportional to 668,674.88, 1,003,008.83 and 163,238.54 is: 244,856.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,674.88 : 1,003,008.83 = 163,238.54 : x
  2. Step 2: Convert to fraction form
    668,674.88/1,003,008.83 = 163,238.54/x
  3. Step 3: Cross multiply
    668,674.88x = 1,003,008.83 × 163,238.54
  4. Step 4: Simplify right side
    668,674.88x = 163,729,697,016.31
  5. Step 5: Solve for x
    x = 163,729,697,016.31/668,674.88
  6. Step 6: Final answer
    x = 244,856.96

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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.