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Finding the Fourth Proportional to 568,342.38, 784,256.61 and 313,677.15

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Solution

The fourth proportional to 568,342.38, 784,256.61 and 313,677.15 is: 432,843.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,342.38 : 784,256.61 = 313,677.15 : x
  2. Step 2: Convert to fraction form
    568,342.38/784,256.61 = 313,677.15/x
  3. Step 3: Cross multiply
    568,342.38x = 784,256.61 × 313,677.15
  4. Step 4: Simplify right side
    568,342.38x = 246,003,378,293.46
  5. Step 5: Solve for x
    x = 246,003,378,293.46/568,342.38
  6. Step 6: Final answer
    x = 432,843.63

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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.