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Finding the Fourth Proportional to 379,308.46, 569,242.65 and 179,628.46

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Solution

The fourth proportional to 379,308.46, 569,242.65 and 179,628.46 is: 269,575.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,308.46 : 569,242.65 = 179,628.46 : x
  2. Step 2: Convert to fraction form
    379,308.46/569,242.65 = 179,628.46/x
  3. Step 3: Cross multiply
    379,308.46x = 569,242.65 × 179,628.46
  4. Step 4: Simplify right side
    379,308.46x = 102,252,180,585.82
  5. Step 5: Solve for x
    x = 102,252,180,585.82/379,308.46
  6. Step 6: Final answer
    x = 269,575.27

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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.