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Finding the Fourth Proportional to 422,244.30, 633,474.45 and 297,828.30

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Solution

The fourth proportional to 422,244.30, 633,474.45 and 297,828.30 is: 446,818.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,244.30 : 633,474.45 = 297,828.30 : x
  2. Step 2: Convert to fraction form
    422,244.30/633,474.45 = 297,828.30/x
  3. Step 3: Cross multiply
    422,244.30x = 633,474.45 × 297,828.30
  4. Step 4: Simplify right side
    422,244.30x = 188,666,618,536.94
  5. Step 5: Solve for x
    x = 188,666,618,536.94/422,244.30
  6. Step 6: Final answer
    x = 446,818.63

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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.