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Finding the Fourth Proportional to 464,515.08, 640,997.63 and 257,794.56

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Solution

The fourth proportional to 464,515.08, 640,997.63 and 257,794.56 is: 355,738.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,515.08 : 640,997.63 = 257,794.56 : x
  2. Step 2: Convert to fraction form
    464,515.08/640,997.63 = 257,794.56/x
  3. Step 3: Cross multiply
    464,515.08x = 640,997.63 × 257,794.56
  4. Step 4: Simplify right side
    464,515.08x = 165,245,701,841.01
  5. Step 5: Solve for x
    x = 165,245,701,841.01/464,515.08
  6. Step 6: Final answer
    x = 355,738.08

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.