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Finding the Fourth Proportional to 568,337.38, 784,249.71 and 313,672.15

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Solution

The fourth proportional to 568,337.38, 784,249.71 and 313,672.15 is: 432,836.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,337.38 : 784,249.71 = 313,672.15 : x
  2. Step 2: Convert to fraction form
    568,337.38/784,249.71 = 313,672.15/x
  3. Step 3: Cross multiply
    568,337.38x = 784,249.71 × 313,672.15
  4. Step 4: Simplify right side
    568,337.38x = 245,997,292,672.58
  5. Step 5: Solve for x
    x = 245,997,292,672.58/568,337.38
  6. Step 6: Final answer
    x = 432,836.73

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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.