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Finding the Fourth Proportional to 277,773.38, 383,327.88 and 150,449

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Solution

The fourth proportional to 277,773.38, 383,327.88 and 150,449 is: 207,619.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,773.38 : 383,327.88 = 150,449 : x
  2. Step 2: Convert to fraction form
    277,773.38/383,327.88 = 150,449/x
  3. Step 3: Cross multiply
    277,773.38x = 383,327.88 × 150,449
  4. Step 4: Simplify right side
    277,773.38x = 57,671,296,218.12
  5. Step 5: Solve for x
    x = 57,671,296,218.12/277,773.38
  6. Step 6: Final answer
    x = 207,619.95

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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.