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Finding the Fourth Proportional to 574,069.02, 861,107.85 and 200,092.38

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Solution

The fourth proportional to 574,069.02, 861,107.85 and 200,092.38 is: 300,140.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,069.02 : 861,107.85 = 200,092.38 : x
  2. Step 2: Convert to fraction form
    574,069.02/861,107.85 = 200,092.38/x
  3. Step 3: Cross multiply
    574,069.02x = 861,107.85 × 200,092.38
  4. Step 4: Simplify right side
    574,069.02x = 172,301,119,143.18
  5. Step 5: Solve for x
    x = 172,301,119,143.18/574,069.02
  6. Step 6: Final answer
    x = 300,140.08

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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.