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Finding the Fourth Proportional to 383,517.95, 575,223.55 and 203,524.61

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Solution

The fourth proportional to 383,517.95, 575,223.55 and 203,524.61 is: 305,258.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,517.95 : 575,223.55 = 203,524.61 : x
  2. Step 2: Convert to fraction form
    383,517.95/575,223.55 = 203,524.61/x
  3. Step 3: Cross multiply
    383,517.95x = 575,223.55 × 203,524.61
  4. Step 4: Simplify right side
    383,517.95x = 117,072,145,291.64
  5. Step 5: Solve for x
    x = 117,072,145,291.64/383,517.95
  6. Step 6: Final answer
    x = 305,258.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.