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Finding the Fourth Proportional to 568,000.08, 783,840.07 and 313,351.27

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Solution

The fourth proportional to 568,000.08, 783,840.07 and 313,351.27 is: 432,424.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,000.08 : 783,840.07 = 313,351.27 : x
  2. Step 2: Convert to fraction form
    568,000.08/783,840.07 = 313,351.27/x
  3. Step 3: Cross multiply
    568,000.08x = 783,840.07 × 313,351.27
  4. Step 4: Simplify right side
    568,000.08x = 245,617,279,843.48
  5. Step 5: Solve for x
    x = 245,617,279,843.48/568,000.08
  6. Step 6: Final answer
    x = 432,424.73

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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.