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Finding the Fourth Proportional to 568,352.86, 784,209.87 and 326,588.73

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Solution

The fourth proportional to 568,352.86, 784,209.87 and 326,588.73 is: 450,625.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,352.86 : 784,209.87 = 326,588.73 : x
  2. Step 2: Convert to fraction form
    568,352.86/784,209.87 = 326,588.73/x
  3. Step 3: Cross multiply
    568,352.86x = 784,209.87 × 326,588.73
  4. Step 4: Simplify right side
    568,352.86x = 256,114,105,496.77
  5. Step 5: Solve for x
    x = 256,114,105,496.77/568,352.86
  6. Step 6: Final answer
    x = 450,625.17

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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.