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Finding the Fourth Proportional to 574,486.88, 862,124.04 and 200,509.88

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Solution

The fourth proportional to 574,486.88, 862,124.04 and 200,509.88 is: 300,902.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,486.88 : 862,124.04 = 200,509.88 : x
  2. Step 2: Convert to fraction form
    574,486.88/862,124.04 = 200,509.88/x
  3. Step 3: Cross multiply
    574,486.88x = 862,124.04 × 200,509.88
  4. Step 4: Simplify right side
    574,486.88x = 172,864,383,494.90
  5. Step 5: Solve for x
    x = 172,864,383,494.90/574,486.88
  6. Step 6: Final answer
    x = 300,902.23

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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.