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Finding the Fourth Proportional to 577,832.87, 866,867.54 and 198,704.36

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Solution

The fourth proportional to 577,832.87, 866,867.54 and 198,704.36 is: 298,097.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,832.87 : 866,867.54 = 198,704.36 : x
  2. Step 2: Convert to fraction form
    577,832.87/866,867.54 = 198,704.36/x
  3. Step 3: Cross multiply
    577,832.87x = 866,867.54 × 198,704.36
  4. Step 4: Simplify right side
    577,832.87x = 172,250,354,412.62
  5. Step 5: Solve for x
    x = 172,250,354,412.62/577,832.87
  6. Step 6: Final answer
    x = 298,097.19

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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.