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Finding the Fourth Proportional to 608,951.20, 913,340.40 and 188,269.60

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Solution

The fourth proportional to 608,951.20, 913,340.40 and 188,269.60 is: 282,377.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,951.20 : 913,340.40 = 188,269.60 : x
  2. Step 2: Convert to fraction form
    608,951.20/913,340.40 = 188,269.60/x
  3. Step 3: Cross multiply
    608,951.20x = 913,340.40 × 188,269.60
  4. Step 4: Simplify right side
    608,951.20x = 171,954,231,771.84
  5. Step 5: Solve for x
    x = 171,954,231,771.84/608,951.20
  6. Step 6: Final answer
    x = 282,377.69

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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.