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Finding the Fourth Proportional to 274,420.20, 410,828.40 and 195,688.20

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Solution

The fourth proportional to 274,420.20, 410,828.40 and 195,688.20 is: 292,960.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,420.20 : 410,828.40 = 195,688.20 : x
  2. Step 2: Convert to fraction form
    274,420.20/410,828.40 = 195,688.20/x
  3. Step 3: Cross multiply
    274,420.20x = 410,828.40 × 195,688.20
  4. Step 4: Simplify right side
    274,420.20x = 80,394,270,104.88
  5. Step 5: Solve for x
    x = 80,394,270,104.88/274,420.20
  6. Step 6: Final answer
    x = 292,960.47

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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.