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Finding the Fourth Proportional to 275,734.30, 413,601.45 and 247,740.70

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Solution

The fourth proportional to 275,734.30, 413,601.45 and 247,740.70 is: 371,611.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,734.30 : 413,601.45 = 247,740.70 : x
  2. Step 2: Convert to fraction form
    275,734.30/413,601.45 = 247,740.70/x
  3. Step 3: Cross multiply
    275,734.30x = 413,601.45 × 247,740.70
  4. Step 4: Simplify right side
    275,734.30x = 102,465,912,744.02
  5. Step 5: Solve for x
    x = 102,465,912,744.02/275,734.30
  6. Step 6: Final answer
    x = 371,611.05

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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.