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Finding the Fourth Proportional to 379,307.96, 569,241.90 and 179,627.96

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Solution

The fourth proportional to 379,307.96, 569,241.90 and 179,627.96 is: 269,574.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,307.96 : 569,241.90 = 179,627.96 : x
  2. Step 2: Convert to fraction form
    379,307.96/569,241.90 = 179,627.96/x
  3. Step 3: Cross multiply
    379,307.96x = 569,241.90 × 179,627.96
  4. Step 4: Simplify right side
    379,307.96x = 102,251,761,243.52
  5. Step 5: Solve for x
    x = 102,251,761,243.52/379,307.96
  6. Step 6: Final answer
    x = 269,574.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.