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Finding the Fourth Proportional to 277,863.28, 383,469 and 170,418.67

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Solution

The fourth proportional to 277,863.28, 383,469 and 170,418.67 is: 235,188.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,863.28 : 383,469 = 170,418.67 : x
  2. Step 2: Convert to fraction form
    277,863.28/383,469 = 170,418.67/x
  3. Step 3: Cross multiply
    277,863.28x = 383,469 × 170,418.67
  4. Step 4: Simplify right side
    277,863.28x = 65,350,276,966.23
  5. Step 5: Solve for x
    x = 65,350,276,966.23/277,863.28
  6. Step 6: Final answer
    x = 235,188.60

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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.