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Finding the Fourth Proportional to 329,217.40, 493,826.10 and 223,463.80

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Solution

The fourth proportional to 329,217.40, 493,826.10 and 223,463.80 is: 335,195.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,217.40 : 493,826.10 = 223,463.80 : x
  2. Step 2: Convert to fraction form
    329,217.40/493,826.10 = 223,463.80/x
  3. Step 3: Cross multiply
    329,217.40x = 493,826.10 × 223,463.80
  4. Step 4: Simplify right side
    329,217.40x = 110,352,256,845.18
  5. Step 5: Solve for x
    x = 110,352,256,845.18/329,217.40
  6. Step 6: Final answer
    x = 335,195.70

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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.