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Finding the Fourth Proportional to 568,105.35, 784,269.45 and 353,314.62

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Solution

The fourth proportional to 568,105.35, 784,269.45 and 353,314.62 is: 487,750.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,105.35 : 784,269.45 = 353,314.62 : x
  2. Step 2: Convert to fraction form
    568,105.35/784,269.45 = 353,314.62/x
  3. Step 3: Cross multiply
    568,105.35x = 784,269.45 × 353,314.62
  4. Step 4: Simplify right side
    568,105.35x = 277,093,862,704.36
  5. Step 5: Solve for x
    x = 277,093,862,704.36/568,105.35
  6. Step 6: Final answer
    x = 487,750.84

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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.