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Finding the Fourth Proportional to 464,008.44, 640,310.22 and 262,805.88

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Solution

The fourth proportional to 464,008.44, 640,310.22 and 262,805.88 is: 362,659.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,008.44 : 640,310.22 = 262,805.88 : x
  2. Step 2: Convert to fraction form
    464,008.44/640,310.22 = 262,805.88/x
  3. Step 3: Cross multiply
    464,008.44x = 640,310.22 × 262,805.88
  4. Step 4: Simplify right side
    464,008.44x = 168,277,290,840.09
  5. Step 5: Solve for x
    x = 168,277,290,840.09/464,008.44
  6. Step 6: Final answer
    x = 362,659.98

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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.