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Finding the Fourth Proportional to 379,308.96, 569,243.40 and 179,628.96

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Solution

The fourth proportional to 379,308.96, 569,243.40 and 179,628.96 is: 269,576.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,308.96 : 569,243.40 = 179,628.96 : x
  2. Step 2: Convert to fraction form
    379,308.96/569,243.40 = 179,628.96/x
  3. Step 3: Cross multiply
    379,308.96x = 569,243.40 × 179,628.96
  4. Step 4: Simplify right side
    379,308.96x = 102,252,599,928.86
  5. Step 5: Solve for x
    x = 102,252,599,928.86/379,308.96
  6. Step 6: Final answer
    x = 269,576.02

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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.