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Finding the Fourth Proportional to 277,908.57, 383,520.87 and 170,537.85

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Solution

The fourth proportional to 277,908.57, 383,520.87 and 170,537.85 is: 235,346.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,908.57 : 383,520.87 = 170,537.85 : x
  2. Step 2: Convert to fraction form
    277,908.57/383,520.87 = 170,537.85/x
  3. Step 3: Cross multiply
    277,908.57x = 383,520.87 × 170,537.85
  4. Step 4: Simplify right side
    277,908.57x = 65,404,824,599.93
  5. Step 5: Solve for x
    x = 65,404,824,599.93/277,908.57
  6. Step 6: Final answer
    x = 235,346.56

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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.