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Finding the Fourth Proportional to 379,161.76, 567,979.62 and 179,674.51

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Solution

The fourth proportional to 379,161.76, 567,979.62 and 179,674.51 is: 269,150.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,161.76 : 567,979.62 = 179,674.51 : x
  2. Step 2: Convert to fraction form
    379,161.76/567,979.62 = 179,674.51/x
  3. Step 3: Cross multiply
    379,161.76x = 567,979.62 × 179,674.51
  4. Step 4: Simplify right side
    379,161.76x = 102,051,459,913.49
  5. Step 5: Solve for x
    x = 102,051,459,913.49/379,161.76
  6. Step 6: Final answer
    x = 269,150.19

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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.