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Finding the Fourth Proportional to 454,531.86, 681,998.64 and 238,338.96

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Solution

The fourth proportional to 454,531.86, 681,998.64 and 238,338.96 is: 357,613.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,531.86 : 681,998.64 = 238,338.96 : x
  2. Step 2: Convert to fraction form
    454,531.86/681,998.64 = 238,338.96/x
  3. Step 3: Cross multiply
    454,531.86x = 681,998.64 × 238,338.96
  4. Step 4: Simplify right side
    454,531.86x = 162,546,846,579.01
  5. Step 5: Solve for x
    x = 162,546,846,579.01/454,531.86
  6. Step 6: Final answer
    x = 357,613.76

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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.