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Finding the Fourth Proportional to 568,789.04, 784,912.74 and 314,134.76

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Solution

The fourth proportional to 568,789.04, 784,912.74 and 314,134.76 is: 433,497.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,789.04 : 784,912.74 = 314,134.76 : x
  2. Step 2: Convert to fraction form
    568,789.04/784,912.74 = 314,134.76/x
  3. Step 3: Cross multiply
    568,789.04x = 784,912.74 × 314,134.76
  4. Step 4: Simplify right side
    568,789.04x = 246,568,375,200.84
  5. Step 5: Solve for x
    x = 246,568,375,200.84/568,789.04
  6. Step 6: Final answer
    x = 433,497.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.