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Finding the Fourth Proportional to 255,915.95, 381,247.43 and 244,401.44

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Solution

The fourth proportional to 255,915.95, 381,247.43 and 244,401.44 is: 364,093.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,915.95 : 381,247.43 = 244,401.44 : x
  2. Step 2: Convert to fraction form
    255,915.95/381,247.43 = 244,401.44/x
  3. Step 3: Cross multiply
    255,915.95x = 381,247.43 × 244,401.44
  4. Step 4: Simplify right side
    255,915.95x = 93,177,420,277.30
  5. Step 5: Solve for x
    x = 93,177,420,277.30/255,915.95
  6. Step 6: Final answer
    x = 364,093.84

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.