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Finding the Fourth Proportional to 609,070.88, 913,694.04 and 188,379.56

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Solution

The fourth proportional to 609,070.88, 913,694.04 and 188,379.56 is: 282,596.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,070.88 : 913,694.04 = 188,379.56 : x
  2. Step 2: Convert to fraction form
    609,070.88/913,694.04 = 188,379.56/x
  3. Step 3: Cross multiply
    609,070.88x = 913,694.04 × 188,379.56
  4. Step 4: Simplify right side
    609,070.88x = 172,121,281,229.82
  5. Step 5: Solve for x
    x = 172,121,281,229.82/609,070.88
  6. Step 6: Final answer
    x = 282,596.47

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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.