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Finding the Fourth Proportional to 568,069.38, 783,974.16 and 326,448.27

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Solution

The fourth proportional to 568,069.38, 783,974.16 and 326,448.27 is: 450,520.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,069.38 : 783,974.16 = 326,448.27 : x
  2. Step 2: Convert to fraction form
    568,069.38/783,974.16 = 326,448.27/x
  3. Step 3: Cross multiply
    568,069.38x = 783,974.16 × 326,448.27
  4. Step 4: Simplify right side
    568,069.38x = 255,927,008,256.70
  5. Step 5: Solve for x
    x = 255,927,008,256.70/568,069.38
  6. Step 6: Final answer
    x = 450,520.69

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Double scale
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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.