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Finding the Fourth Proportional to 502,781.68, 693,852.39 and 273,354.39

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Solution

The fourth proportional to 502,781.68, 693,852.39 and 273,354.39 is: 377,236.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,781.68 : 693,852.39 = 273,354.39 : x
  2. Step 2: Convert to fraction form
    502,781.68/693,852.39 = 273,354.39/x
  3. Step 3: Cross multiply
    502,781.68x = 693,852.39 × 273,354.39
  4. Step 4: Simplify right side
    502,781.68x = 189,667,596,818.49
  5. Step 5: Solve for x
    x = 189,667,596,818.49/502,781.68
  6. Step 6: Final answer
    x = 377,236.49

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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.