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Finding the Fourth Proportional to 309,008.82, 463,685.46 and 166,851.09

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Solution

The fourth proportional to 309,008.82, 463,685.46 and 166,851.09 is: 250,369.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,008.82 : 463,685.46 = 166,851.09 : x
  2. Step 2: Convert to fraction form
    309,008.82/463,685.46 = 166,851.09/x
  3. Step 3: Cross multiply
    309,008.82x = 463,685.46 × 166,851.09
  4. Step 4: Simplify right side
    309,008.82x = 77,366,424,418.15
  5. Step 5: Solve for x
    x = 77,366,424,418.15/309,008.82
  6. Step 6: Final answer
    x = 250,369.63

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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.