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Finding the Fourth Proportional to 568,351.35, 784,331.37 and 313,702.74

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Solution

The fourth proportional to 568,351.35, 784,331.37 and 313,702.74 is: 432,913.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,351.35 : 784,331.37 = 313,702.74 : x
  2. Step 2: Convert to fraction form
    568,351.35/784,331.37 = 313,702.74/x
  3. Step 3: Cross multiply
    568,351.35x = 784,331.37 × 313,702.74
  4. Step 4: Simplify right side
    568,351.35x = 246,046,899,836.95
  5. Step 5: Solve for x
    x = 246,046,899,836.95/568,351.35
  6. Step 6: Final answer
    x = 432,913.37

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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.