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Finding the Fourth Proportional to 436,317.98, 601,872.78 and 261,843.56

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Solution

The fourth proportional to 436,317.98, 601,872.78 and 261,843.56 is: 361,196.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,317.98 : 601,872.78 = 261,843.56 : x
  2. Step 2: Convert to fraction form
    436,317.98/601,872.78 = 261,843.56/x
  3. Step 3: Cross multiply
    436,317.98x = 601,872.78 × 261,843.56
  4. Step 4: Simplify right side
    436,317.98x = 157,596,510,629.96
  5. Step 5: Solve for x
    x = 157,596,510,629.96/436,317.98
  6. Step 6: Final answer
    x = 361,196.47

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1.5x scale

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.