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Finding the Fourth Proportional to 329,993.01, 455,390.24 and 179,090.01

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Solution

The fourth proportional to 329,993.01, 455,390.24 and 179,090.01 is: 247,144.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,993.01 : 455,390.24 = 179,090.01 : x
  2. Step 2: Convert to fraction form
    329,993.01/455,390.24 = 179,090.01/x
  3. Step 3: Cross multiply
    329,993.01x = 455,390.24 × 179,090.01
  4. Step 4: Simplify right side
    329,993.01x = 81,555,841,740.05
  5. Step 5: Solve for x
    x = 81,555,841,740.05/329,993.01
  6. Step 6: Final answer
    x = 247,144.15

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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.