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Finding the Fourth Proportional to 609,656.36, 914,150.46 and 188,815.40

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Solution

The fourth proportional to 609,656.36, 914,150.46 and 188,815.40 is: 283,119.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,656.36 : 914,150.46 = 188,815.40 : x
  2. Step 2: Convert to fraction form
    609,656.36/914,150.46 = 188,815.40/x
  3. Step 3: Cross multiply
    609,656.36x = 914,150.46 × 188,815.40
  4. Step 4: Simplify right side
    609,656.36x = 172,605,684,765.08
  5. Step 5: Solve for x
    x = 172,605,684,765.08/609,656.36
  6. Step 6: Final answer
    x = 283,119.63

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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.