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Finding the Fourth Proportional to 443,767.87, 612,250.05 and 252,645.94

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Solution

The fourth proportional to 443,767.87, 612,250.05 and 252,645.94 is: 348,566.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,767.87 : 612,250.05 = 252,645.94 : x
  2. Step 2: Convert to fraction form
    443,767.87/612,250.05 = 252,645.94/x
  3. Step 3: Cross multiply
    443,767.87x = 612,250.05 × 252,645.94
  4. Step 4: Simplify right side
    443,767.87x = 154,682,489,397.30
  5. Step 5: Solve for x
    x = 154,682,489,397.30/443,767.87
  6. Step 6: Final answer
    x = 348,566.22

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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.