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Finding the Fourth Proportional to 543,330.80, 814,340.10 and 276,954.20

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Solution

The fourth proportional to 543,330.80, 814,340.10 and 276,954.20 is: 415,096.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,330.80 : 814,340.10 = 276,954.20 : x
  2. Step 2: Convert to fraction form
    543,330.80/814,340.10 = 276,954.20/x
  3. Step 3: Cross multiply
    543,330.80x = 814,340.10 × 276,954.20
  4. Step 4: Simplify right side
    543,330.80x = 225,534,910,923.42
  5. Step 5: Solve for x
    x = 225,534,910,923.42/543,330.80
  6. Step 6: Final answer
    x = 415,096.86

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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.