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Finding the Fourth Proportional to 330,608.68, 456,237.78 and 179,705.68

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Solution

The fourth proportional to 330,608.68, 456,237.78 and 179,705.68 is: 247,992.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,608.68 : 456,237.78 = 179,705.68 : x
  2. Step 2: Convert to fraction form
    330,608.68/456,237.78 = 179,705.68/x
  3. Step 3: Cross multiply
    330,608.68x = 456,237.78 × 179,705.68
  4. Step 4: Simplify right side
    330,608.68x = 81,988,520,496.59
  5. Step 5: Solve for x
    x = 81,988,520,496.59/330,608.68
  6. Step 6: Final answer
    x = 247,992.64

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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.