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Finding the Fourth Proportional to 277,878.60, 383,472.83 and 150,554.09

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Solution

The fourth proportional to 277,878.60, 383,472.83 and 150,554.09 is: 207,764.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,878.60 : 383,472.83 = 150,554.09 : x
  2. Step 2: Convert to fraction form
    277,878.60/383,472.83 = 150,554.09/x
  3. Step 3: Cross multiply
    277,878.60x = 383,472.83 × 150,554.09
  4. Step 4: Simplify right side
    277,878.60x = 57,733,404,295.44
  5. Step 5: Solve for x
    x = 57,733,404,295.44/277,878.60
  6. Step 6: Final answer
    x = 207,764.85

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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.