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Finding the Fourth Proportional to 277,963.71, 383,589.87 and 150,639.30

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Solution

The fourth proportional to 277,963.71, 383,589.87 and 150,639.30 is: 207,882.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,963.71 : 383,589.87 = 150,639.30 : x
  2. Step 2: Convert to fraction form
    277,963.71/383,589.87 = 150,639.30/x
  3. Step 3: Cross multiply
    277,963.71x = 383,589.87 × 150,639.30
  4. Step 4: Simplify right side
    277,963.71x = 57,783,709,503.89
  5. Step 5: Solve for x
    x = 57,783,709,503.89/277,963.71
  6. Step 6: Final answer
    x = 207,882.21

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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.