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Finding the Fourth Proportional to 308,796.33, 462,873.34 and 119,386.78

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Solution

The fourth proportional to 308,796.33, 462,873.34 and 119,386.78 is: 178,956.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,796.33 : 462,873.34 = 119,386.78 : x
  2. Step 2: Convert to fraction form
    308,796.33/462,873.34 = 119,386.78/x
  3. Step 3: Cross multiply
    308,796.33x = 462,873.34 × 119,386.78
  4. Step 4: Simplify right side
    308,796.33x = 55,260,957,610.45
  5. Step 5: Solve for x
    x = 55,260,957,610.45/308,796.33
  6. Step 6: Final answer
    x = 178,956.01

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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.