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Finding the Fourth Proportional to 277,845.31, 383,426.49 and 150,520.87

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Solution

The fourth proportional to 277,845.31, 383,426.49 and 150,520.87 is: 207,718.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,845.31 : 383,426.49 = 150,520.87 : x
  2. Step 2: Convert to fraction form
    277,845.31/383,426.49 = 150,520.87/x
  3. Step 3: Cross multiply
    277,845.31x = 383,426.49 × 150,520.87
  4. Step 4: Simplify right side
    277,845.31x = 57,713,688,855.85
  5. Step 5: Solve for x
    x = 57,713,688,855.85/277,845.31
  6. Step 6: Final answer
    x = 207,718.78

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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.