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Finding the Fourth Proportional to 568,363.89, 784,342.22 and 313,715.13

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Solution

The fourth proportional to 568,363.89, 784,342.22 and 313,715.13 is: 432,926.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,363.89 : 784,342.22 = 313,715.13 : x
  2. Step 2: Convert to fraction form
    568,363.89/784,342.22 = 313,715.13/x
  3. Step 3: Cross multiply
    568,363.89x = 784,342.22 × 313,715.13
  4. Step 4: Simplify right side
    568,363.89x = 246,060,019,943.21
  5. Step 5: Solve for x
    x = 246,060,019,943.21/568,363.89
  6. Step 6: Final answer
    x = 432,926.91

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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.