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Finding the Fourth Proportional to 609,184.60, 913,863.30 and 188,416.60

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Solution

The fourth proportional to 609,184.60, 913,863.30 and 188,416.60 is: 282,651.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,184.60 : 913,863.30 = 188,416.60 : x
  2. Step 2: Convert to fraction form
    609,184.60/913,863.30 = 188,416.60/x
  3. Step 3: Cross multiply
    609,184.60x = 913,863.30 × 188,416.60
  4. Step 4: Simplify right side
    609,184.60x = 172,187,015,850.78
  5. Step 5: Solve for x
    x = 172,187,015,850.78/609,184.60
  6. Step 6: Final answer
    x = 282,651.62

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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.