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Finding the Fourth Proportional to 496,777.32, 745,183.62 and 159,772.76

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Solution

The fourth proportional to 496,777.32, 745,183.62 and 159,772.76 is: 239,664.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,777.32 : 745,183.62 = 159,772.76 : x
  2. Step 2: Convert to fraction form
    496,777.32/745,183.62 = 159,772.76/x
  3. Step 3: Cross multiply
    496,777.32x = 745,183.62 × 159,772.76
  4. Step 4: Simplify right side
    496,777.32x = 119,060,043,674.19
  5. Step 5: Solve for x
    x = 119,060,043,674.19/496,777.32
  6. Step 6: Final answer
    x = 239,664.81

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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.