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Finding the Fourth Proportional to 277,010.72, 382,452.71 and 173,786.43

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Solution

The fourth proportional to 277,010.72, 382,452.71 and 173,786.43 is: 239,936.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,010.72 : 382,452.71 = 173,786.43 : x
  2. Step 2: Convert to fraction form
    277,010.72/382,452.71 = 173,786.43/x
  3. Step 3: Cross multiply
    277,010.72x = 382,452.71 × 173,786.43
  4. Step 4: Simplify right side
    277,010.72x = 66,465,091,114.73
  5. Step 5: Solve for x
    x = 66,465,091,114.73/277,010.72
  6. Step 6: Final answer
    x = 239,936.89

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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.