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Finding the Fourth Proportional to 608,869.77, 913,197.74 and 188,149.29

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Solution

The fourth proportional to 608,869.77, 913,197.74 and 188,149.29 is: 282,190.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,869.77 : 913,197.74 = 188,149.29 : x
  2. Step 2: Convert to fraction form
    608,869.77/913,197.74 = 188,149.29/x
  3. Step 3: Cross multiply
    608,869.77x = 913,197.74 × 188,149.29
  4. Step 4: Simplify right side
    608,869.77x = 171,817,505,469.86
  5. Step 5: Solve for x
    x = 171,817,505,469.86/608,869.77
  6. Step 6: Final answer
    x = 282,190.90

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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.