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Finding the Fourth Proportional to 330,484, 456,067 and 179,580.96

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Solution

The fourth proportional to 330,484, 456,067 and 179,580.96 is: 247,821.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,484 : 456,067 = 179,580.96 : x
  2. Step 2: Convert to fraction form
    330,484/456,067 = 179,580.96/x
  3. Step 3: Cross multiply
    330,484x = 456,067 × 179,580.96
  4. Step 4: Simplify right side
    330,484x = 81,900,949,684.32
  5. Step 5: Solve for x
    x = 81,900,949,684.32/330,484
  6. Step 6: Final answer
    x = 247,821.22

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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.