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Finding the Fourth Proportional to 379,307.46, 569,241.15 and 179,627.46

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Solution

The fourth proportional to 379,307.46, 569,241.15 and 179,627.46 is: 269,573.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,307.46 : 569,241.15 = 179,627.46 : x
  2. Step 2: Convert to fraction form
    379,307.46/569,241.15 = 179,627.46/x
  3. Step 3: Cross multiply
    379,307.46x = 569,241.15 × 179,627.46
  4. Step 4: Simplify right side
    379,307.46x = 102,251,341,901.98
  5. Step 5: Solve for x
    x = 102,251,341,901.98/379,307.46
  6. Step 6: Final answer
    x = 269,573.77

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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.