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Finding the Fourth Proportional to 330,097, 455,534.40 and 179,194

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Solution

The fourth proportional to 330,097, 455,534.40 and 179,194 is: 247,288.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,097 : 455,534.40 = 179,194 : x
  2. Step 2: Convert to fraction form
    330,097/455,534.40 = 179,194/x
  3. Step 3: Cross multiply
    330,097x = 455,534.40 × 179,194
  4. Step 4: Simplify right side
    330,097x = 81,629,031,273.60
  5. Step 5: Solve for x
    x = 81,629,031,273.60/330,097
  6. Step 6: Final answer
    x = 247,288.01

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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.