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Finding the Fourth Proportional to 493,331.92, 680,798.60 and 266,977.44

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Solution

The fourth proportional to 493,331.92, 680,798.60 and 266,977.44 is: 368,429.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,331.92 : 680,798.60 = 266,977.44 : x
  2. Step 2: Convert to fraction form
    493,331.92/680,798.60 = 266,977.44/x
  3. Step 3: Cross multiply
    493,331.92x = 680,798.60 × 266,977.44
  4. Step 4: Simplify right side
    493,331.92x = 181,757,867,383.58
  5. Step 5: Solve for x
    x = 181,757,867,383.58/493,331.92
  6. Step 6: Final answer
    x = 368,429.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.