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Finding the Fourth Proportional to 502,635.72, 693,644.32 and 273,192.94

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Solution

The fourth proportional to 502,635.72, 693,644.32 and 273,192.94 is: 377,010.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,635.72 : 693,644.32 = 273,192.94 : x
  2. Step 2: Convert to fraction form
    502,635.72/693,644.32 = 273,192.94/x
  3. Step 3: Cross multiply
    502,635.72x = 693,644.32 × 273,192.94
  4. Step 4: Simplify right side
    502,635.72x = 189,498,732,303.65
  5. Step 5: Solve for x
    x = 189,498,732,303.65/502,635.72
  6. Step 6: Final answer
    x = 377,010.08

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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.