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Finding the Fourth Proportional to 330,274.60, 455,784.24 and 179,371.60

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Solution

The fourth proportional to 330,274.60, 455,784.24 and 179,371.60 is: 247,535.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,274.60 : 455,784.24 = 179,371.60 : x
  2. Step 2: Convert to fraction form
    330,274.60/455,784.24 = 179,371.60/x
  3. Step 3: Cross multiply
    330,274.60x = 455,784.24 × 179,371.60
  4. Step 4: Simplify right side
    330,274.60x = 81,754,748,383.58
  5. Step 5: Solve for x
    x = 81,754,748,383.58/330,274.60
  6. Step 6: Final answer
    x = 247,535.68

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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.