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Finding the Fourth Proportional to 568,523.41, 784,560.13 and 313,872.77

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Solution

The fourth proportional to 568,523.41, 784,560.13 and 313,872.77 is: 433,143.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,523.41 : 784,560.13 = 313,872.77 : x
  2. Step 2: Convert to fraction form
    568,523.41/784,560.13 = 313,872.77/x
  3. Step 3: Cross multiply
    568,523.41x = 784,560.13 × 313,872.77
  4. Step 4: Simplify right side
    568,523.41x = 246,252,062,411.38
  5. Step 5: Solve for x
    x = 246,252,062,411.38/568,523.41
  6. Step 6: Final answer
    x = 433,143.23

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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.