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Finding the Fourth Proportional to 367,316.44, 550,935.78 and 117,979

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Solution

The fourth proportional to 367,316.44, 550,935.78 and 117,979 is: 176,956.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,316.44 : 550,935.78 = 117,979 : x
  2. Step 2: Convert to fraction form
    367,316.44/550,935.78 = 117,979/x
  3. Step 3: Cross multiply
    367,316.44x = 550,935.78 × 117,979
  4. Step 4: Simplify right side
    367,316.44x = 64,998,852,388.62
  5. Step 5: Solve for x
    x = 64,998,852,388.62/367,316.44
  6. Step 6: Final answer
    x = 176,956.01

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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.