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Finding the Fourth Proportional to 244,639.40, 366,959.10 and 177,938.60

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Solution

The fourth proportional to 244,639.40, 366,959.10 and 177,938.60 is: 266,907.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,639.40 : 366,959.10 = 177,938.60 : x
  2. Step 2: Convert to fraction form
    244,639.40/366,959.10 = 177,938.60/x
  3. Step 3: Cross multiply
    244,639.40x = 366,959.10 × 177,938.60
  4. Step 4: Simplify right side
    244,639.40x = 65,296,188,511.26
  5. Step 5: Solve for x
    x = 65,296,188,511.26/244,639.40
  6. Step 6: Final answer
    x = 266,907.90

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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.