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Finding the Fourth Proportional to 277,771.88, 383,325.81 and 150,447.50

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Solution

The fourth proportional to 277,771.88, 383,325.81 and 150,447.50 is: 207,617.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,771.88 : 383,325.81 = 150,447.50 : x
  2. Step 2: Convert to fraction form
    277,771.88/383,325.81 = 150,447.50/x
  3. Step 3: Cross multiply
    277,771.88x = 383,325.81 × 150,447.50
  4. Step 4: Simplify right side
    277,771.88x = 57,670,409,799.98
  5. Step 5: Solve for x
    x = 57,670,409,799.98/277,771.88
  6. Step 6: Final answer
    x = 207,617.88

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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.