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Finding the Fourth Proportional to 502,726.96, 693,776.48 and 273,299.68

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Solution

The fourth proportional to 502,726.96, 693,776.48 and 273,299.68 is: 377,160.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,726.96 : 693,776.48 = 273,299.68 : x
  2. Step 2: Convert to fraction form
    502,726.96/693,776.48 = 273,299.68/x
  3. Step 3: Cross multiply
    502,726.96x = 693,776.48 × 273,299.68
  4. Step 4: Simplify right side
    502,726.96x = 189,608,889,975.53
  5. Step 5: Solve for x
    x = 189,608,889,975.53/502,726.96
  6. Step 6: Final answer
    x = 377,160.78

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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.