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Finding the Fourth Proportional to 519,049.08, 779,011.08 and 203,727.36

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Solution

The fourth proportional to 519,049.08, 779,011.08 and 203,727.36 is: 305,762.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,049.08 : 779,011.08 = 203,727.36 : x
  2. Step 2: Convert to fraction form
    519,049.08/779,011.08 = 203,727.36/x
  3. Step 3: Cross multiply
    519,049.08x = 779,011.08 × 203,727.36
  4. Step 4: Simplify right side
    519,049.08x = 158,705,870,739.15
  5. Step 5: Solve for x
    x = 158,705,870,739.15/519,049.08
  6. Step 6: Final answer
    x = 305,762.74

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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.