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Finding the Fourth Proportional to 568,518.28, 853,223.13 and 396,622.15

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Solution

The fourth proportional to 568,518.28, 853,223.13 and 396,622.15 is: 595,244.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,518.28 : 853,223.13 = 396,622.15 : x
  2. Step 2: Convert to fraction form
    568,518.28/853,223.13 = 396,622.15/x
  3. Step 3: Cross multiply
    568,518.28x = 853,223.13 × 396,622.15
  4. Step 4: Simplify right side
    568,518.28x = 338,407,190,117.27
  5. Step 5: Solve for x
    x = 338,407,190,117.27/568,518.28
  6. Step 6: Final answer
    x = 595,244.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.