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Finding the Fourth Proportional to 329,960.16, 455,346.48 and 179,057.28

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Solution

The fourth proportional to 329,960.16, 455,346.48 and 179,057.28 is: 247,099.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,960.16 : 455,346.48 = 179,057.28 : x
  2. Step 2: Convert to fraction form
    329,960.16/455,346.48 = 179,057.28/x
  3. Step 3: Cross multiply
    329,960.16x = 455,346.48 × 179,057.28
  4. Step 4: Simplify right side
    329,960.16x = 81,533,102,166.37
  5. Step 5: Solve for x
    x = 81,533,102,166.37/329,960.16
  6. Step 6: Final answer
    x = 247,099.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.