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Finding the Fourth Proportional to 568,614.60, 784,673.04 and 313,960.32

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Solution

The fourth proportional to 568,614.60, 784,673.04 and 313,960.32 is: 433,256.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,614.60 : 784,673.04 = 313,960.32 : x
  2. Step 2: Convert to fraction form
    568,614.60/784,673.04 = 313,960.32/x
  3. Step 3: Cross multiply
    568,614.60x = 784,673.04 × 313,960.32
  4. Step 4: Simplify right side
    568,614.60x = 246,356,198,733.77
  5. Step 5: Solve for x
    x = 246,356,198,733.77/568,614.60
  6. Step 6: Final answer
    x = 433,256.90

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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.