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Finding the Fourth Proportional to 568,687.14, 784,785.24 and 314,038.26

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Solution

The fourth proportional to 568,687.14, 784,785.24 and 314,038.26 is: 433,371.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,687.14 : 784,785.24 = 314,038.26 : x
  2. Step 2: Convert to fraction form
    568,687.14/784,785.24 = 314,038.26/x
  3. Step 3: Cross multiply
    568,687.14x = 784,785.24 × 314,038.26
  4. Step 4: Simplify right side
    568,687.14x = 246,452,591,243.28
  5. Step 5: Solve for x
    x = 246,452,591,243.28/568,687.14
  6. Step 6: Final answer
    x = 433,371.13

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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.