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Finding the Fourth Proportional to 383,695.22, 529,499.73 and 213,925.94

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Solution

The fourth proportional to 383,695.22, 529,499.73 and 213,925.94 is: 295,217.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,695.22 : 529,499.73 = 213,925.94 : x
  2. Step 2: Convert to fraction form
    383,695.22/529,499.73 = 213,925.94/x
  3. Step 3: Cross multiply
    383,695.22x = 529,499.73 × 213,925.94
  4. Step 4: Simplify right side
    383,695.22x = 113,273,727,470.00
  5. Step 5: Solve for x
    x = 113,273,727,470.00/383,695.22
  6. Step 6: Final answer
    x = 295,217.98

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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.