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Finding the Fourth Proportional to 274,420.20, 410,852.70 and 246,426.60

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Solution

The fourth proportional to 274,420.20, 410,852.70 and 246,426.60 is: 368,941.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,420.20 : 410,852.70 = 246,426.60 : x
  2. Step 2: Convert to fraction form
    274,420.20/410,852.70 = 246,426.60/x
  3. Step 3: Cross multiply
    274,420.20x = 410,852.70 × 246,426.60
  4. Step 4: Simplify right side
    274,420.20x = 101,245,033,961.82
  5. Step 5: Solve for x
    x = 101,245,033,961.82/274,420.20
  6. Step 6: Final answer
    x = 368,941.62

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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.