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Finding the Fourth Proportional to 504,498.65, 696,198.74 and 275,057.91

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Solution

The fourth proportional to 504,498.65, 696,198.74 and 275,057.91 is: 379,574.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,498.65 : 696,198.74 = 275,057.91 : x
  2. Step 2: Convert to fraction form
    504,498.65/696,198.74 = 275,057.91/x
  3. Step 3: Cross multiply
    504,498.65x = 696,198.74 × 275,057.91
  4. Step 4: Simplify right side
    504,498.65x = 191,494,971,604.49
  5. Step 5: Solve for x
    x = 191,494,971,604.49/504,498.65
  6. Step 6: Final answer
    x = 379,574.80

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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.