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Finding the Fourth Proportional to 499,685.92, 749,594.52 and 263,041.56

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Solution

The fourth proportional to 499,685.92, 749,594.52 and 263,041.56 is: 394,596.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,685.92 : 749,594.52 = 263,041.56 : x
  2. Step 2: Convert to fraction form
    499,685.92/749,594.52 = 263,041.56/x
  3. Step 3: Cross multiply
    499,685.92x = 749,594.52 × 263,041.56
  4. Step 4: Simplify right side
    499,685.92x = 197,174,511,908.25
  5. Step 5: Solve for x
    x = 197,174,511,908.25/499,685.92
  6. Step 6: Final answer
    x = 394,596.89

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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.