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Finding the Fourth Proportional to 493,195.81, 680,610.22 and 266,841.31

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Solution

The fourth proportional to 493,195.81, 680,610.22 and 266,841.31 is: 368,241.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,195.81 : 680,610.22 = 266,841.31 : x
  2. Step 2: Convert to fraction form
    493,195.81/680,610.22 = 266,841.31/x
  3. Step 3: Cross multiply
    493,195.81x = 680,610.22 × 266,841.31
  4. Step 4: Simplify right side
    493,195.81x = 181,614,922,704.19
  5. Step 5: Solve for x
    x = 181,614,922,704.19/493,195.81
  6. Step 6: Final answer
    x = 368,241.01

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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.