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Finding the Fourth Proportional to 276,025.80, 413,001.90 and 251,142.60

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Solution

The fourth proportional to 276,025.80, 413,001.90 and 251,142.60 is: 375,770.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,025.80 : 413,001.90 = 251,142.60 : x
  2. Step 2: Convert to fraction form
    276,025.80/413,001.90 = 251,142.60/x
  3. Step 3: Cross multiply
    276,025.80x = 413,001.90 × 251,142.60
  4. Step 4: Simplify right side
    276,025.80x = 103,722,370,970.94
  5. Step 5: Solve for x
    x = 103,722,370,970.94/276,025.80
  6. Step 6: Final answer
    x = 375,770.57

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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.