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Finding the Fourth Proportional to 673,310.68, 928,520.62 and 453,044.24

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Solution

The fourth proportional to 673,310.68, 928,520.62 and 453,044.24 is: 624,764.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,310.68 : 928,520.62 = 453,044.24 : x
  2. Step 2: Convert to fraction form
    673,310.68/928,520.62 = 453,044.24/x
  3. Step 3: Cross multiply
    673,310.68x = 928,520.62 × 453,044.24
  4. Step 4: Simplify right side
    673,310.68x = 420,660,916,318.97
  5. Step 5: Solve for x
    x = 420,660,916,318.97/673,310.68
  6. Step 6: Final answer
    x = 624,764.96

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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.