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Finding the Fourth Proportional to 660,204.73, 990,556.20 and 233,723.32

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Solution

The fourth proportional to 660,204.73, 990,556.20 and 233,723.32 is: 350,673.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,204.73 : 990,556.20 = 233,723.32 : x
  2. Step 2: Convert to fraction form
    660,204.73/990,556.20 = 233,723.32/x
  3. Step 3: Cross multiply
    660,204.73x = 990,556.20 × 233,723.32
  4. Step 4: Simplify right side
    660,204.73x = 231,516,087,134.75
  5. Step 5: Solve for x
    x = 231,516,087,134.75/660,204.73
  6. Step 6: Final answer
    x = 350,673.17

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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.