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Finding the Fourth Proportional to 322,940.58, 483,967.99 and 204,400.32

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Solution

The fourth proportional to 322,940.58, 483,967.99 and 204,400.32 is: 306,320.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,940.58 : 483,967.99 = 204,400.32 : x
  2. Step 2: Convert to fraction form
    322,940.58/483,967.99 = 204,400.32/x
  3. Step 3: Cross multiply
    322,940.58x = 483,967.99 × 204,400.32
  4. Step 4: Simplify right side
    322,940.58x = 98,923,210,466.38
  5. Step 5: Solve for x
    x = 98,923,210,466.38/322,940.58
  6. Step 6: Final answer
    x = 306,320.16

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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.