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Finding the Fourth Proportional to 320,677.76, 481,405.44 and 150,062.60

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Solution

The fourth proportional to 320,677.76, 481,405.44 and 150,062.60 is: 225,275.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,677.76 : 481,405.44 = 150,062.60 : x
  2. Step 2: Convert to fraction form
    320,677.76/481,405.44 = 150,062.60/x
  3. Step 3: Cross multiply
    320,677.76x = 481,405.44 × 150,062.60
  4. Step 4: Simplify right side
    320,677.76x = 72,240,951,980.54
  5. Step 5: Solve for x
    x = 72,240,951,980.54/320,677.76
  6. Step 6: Final answer
    x = 225,275.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.