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Finding the Fourth Proportional to 493,329.16, 680,796.38 and 266,974.68

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Solution

The fourth proportional to 493,329.16, 680,796.38 and 266,974.68 is: 368,426.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,329.16 : 680,796.38 = 266,974.68 : x
  2. Step 2: Convert to fraction form
    493,329.16/680,796.38 = 266,974.68/x
  3. Step 3: Cross multiply
    493,329.16x = 680,796.38 × 266,974.68
  4. Step 4: Simplify right side
    493,329.16x = 181,755,395,695.66
  5. Step 5: Solve for x
    x = 181,755,395,695.66/493,329.16
  6. Step 6: Final answer
    x = 368,426.22

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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.