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Finding the Fourth Proportional to 608,998.20, 913,523.22 and 188,282.04

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Solution

The fourth proportional to 608,998.20, 913,523.22 and 188,282.04 is: 282,431.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,998.20 : 913,523.22 = 188,282.04 : x
  2. Step 2: Convert to fraction form
    608,998.20/913,523.22 = 188,282.04/x
  3. Step 3: Cross multiply
    608,998.20x = 913,523.22 × 188,282.04
  4. Step 4: Simplify right side
    608,998.20x = 172,000,015,448.97
  5. Step 5: Solve for x
    x = 172,000,015,448.97/608,998.20
  6. Step 6: Final answer
    x = 282,431.07

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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.