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Finding the Fourth Proportional to 322,131.32, 482,832.38 and 164,025.80

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Solution

The fourth proportional to 322,131.32, 482,832.38 and 164,025.80 is: 245,853.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,131.32 : 482,832.38 = 164,025.80 : x
  2. Step 2: Convert to fraction form
    322,131.32/482,832.38 = 164,025.80/x
  3. Step 3: Cross multiply
    322,131.32x = 482,832.38 × 164,025.80
  4. Step 4: Simplify right side
    322,131.32x = 79,196,967,395.40
  5. Step 5: Solve for x
    x = 79,196,967,395.40/322,131.32
  6. Step 6: Final answer
    x = 245,853.05

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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.