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Finding the Fourth Proportional to 568,366.19, 784,345.41 and 313,717.44

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Solution

The fourth proportional to 568,366.19, 784,345.41 and 313,717.44 is: 432,930.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,366.19 : 784,345.41 = 313,717.44 : x
  2. Step 2: Convert to fraction form
    568,366.19/784,345.41 = 313,717.44/x
  3. Step 3: Cross multiply
    568,366.19x = 784,345.41 × 313,717.44
  4. Step 4: Simplify right side
    568,366.19x = 246,062,834,100.95
  5. Step 5: Solve for x
    x = 246,062,834,100.95/568,366.19
  6. Step 6: Final answer
    x = 432,930.10

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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.