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Finding the Fourth Proportional to 383,694.72, 529,499.04 and 213,925.44

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Solution

The fourth proportional to 383,694.72, 529,499.04 and 213,925.44 is: 295,217.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,694.72 : 529,499.04 = 213,925.44 : x
  2. Step 2: Convert to fraction form
    383,694.72/529,499.04 = 213,925.44/x
  3. Step 3: Cross multiply
    383,694.72x = 529,499.04 × 213,925.44
  4. Step 4: Simplify right side
    383,694.72x = 113,273,315,111.58
  5. Step 5: Solve for x
    x = 113,273,315,111.58/383,694.72
  6. Step 6: Final answer
    x = 295,217.29

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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.