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Finding the Fourth Proportional to 502,783.79, 693,855.29 and 273,356.51

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Solution

The fourth proportional to 502,783.79, 693,855.29 and 273,356.51 is: 377,239.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,783.79 : 693,855.29 = 273,356.51 : x
  2. Step 2: Convert to fraction form
    502,783.79/693,855.29 = 273,356.51/x
  3. Step 3: Cross multiply
    502,783.79x = 693,855.29 × 273,356.51
  4. Step 4: Simplify right side
    502,783.79x = 189,669,857,733.55
  5. Step 5: Solve for x
    x = 189,669,857,733.55/502,783.79
  6. Step 6: Final answer
    x = 377,239.41

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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.