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Finding the Fourth Proportional to 502,781.54, 693,852.19 and 273,354.25

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Solution

The fourth proportional to 502,781.54, 693,852.19 and 273,354.25 is: 377,236.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,781.54 : 693,852.19 = 273,354.25 : x
  2. Step 2: Convert to fraction form
    502,781.54/693,852.19 = 273,354.25/x
  3. Step 3: Cross multiply
    502,781.54x = 693,852.19 × 273,354.25
  4. Step 4: Simplify right side
    502,781.54x = 189,667,445,428.88
  5. Step 5: Solve for x
    x = 189,667,445,428.88/502,781.54
  6. Step 6: Final answer
    x = 377,236.30

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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.