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Finding the Fourth Proportional to 266,872.59, 400,766.93 and 236,954.43

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Solution

The fourth proportional to 266,872.59, 400,766.93 and 236,954.43 is: 355,838.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,872.59 : 400,766.93 = 236,954.43 : x
  2. Step 2: Convert to fraction form
    266,872.59/400,766.93 = 236,954.43/x
  3. Step 3: Cross multiply
    266,872.59x = 400,766.93 × 236,954.43
  4. Step 4: Simplify right side
    266,872.59x = 94,963,498,276.23
  5. Step 5: Solve for x
    x = 94,963,498,276.23/266,872.59
  6. Step 6: Final answer
    x = 355,838.34

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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.