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Finding the Fourth Proportional to 568,076.69, 784,015.27 and 326,358.81

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Solution

The fourth proportional to 568,076.69, 784,015.27 and 326,358.81 is: 450,415.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,076.69 : 784,015.27 = 326,358.81 : x
  2. Step 2: Convert to fraction form
    568,076.69/784,015.27 = 326,358.81/x
  3. Step 3: Cross multiply
    568,076.69x = 784,015.27 × 326,358.81
  4. Step 4: Simplify right side
    568,076.69x = 255,870,289,723.13
  5. Step 5: Solve for x
    x = 255,870,289,723.13/568,076.69
  6. Step 6: Final answer
    x = 450,415.05

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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.