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Finding the Fourth Proportional to 574,131.88, 861,202.14 and 219,050.44

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Solution

The fourth proportional to 574,131.88, 861,202.14 and 219,050.44 is: 328,577.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,131.88 : 861,202.14 = 219,050.44 : x
  2. Step 2: Convert to fraction form
    574,131.88/861,202.14 = 219,050.44/x
  3. Step 3: Cross multiply
    574,131.88x = 861,202.14 × 219,050.44
  4. Step 4: Simplify right side
    574,131.88x = 188,646,707,695.94
  5. Step 5: Solve for x
    x = 188,646,707,695.94/574,131.88
  6. Step 6: Final answer
    x = 328,577.31

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1.5x scale

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.