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Finding the Fourth Proportional to 580,614.45, 870,921.75 and 181,289.43

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Solution

The fourth proportional to 580,614.45, 870,921.75 and 181,289.43 is: 271,934.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,614.45 : 870,921.75 = 181,289.43 : x
  2. Step 2: Convert to fraction form
    580,614.45/870,921.75 = 181,289.43/x
  3. Step 3: Cross multiply
    580,614.45x = 870,921.75 × 181,289.43
  4. Step 4: Simplify right side
    580,614.45x = 157,888,907,632.10
  5. Step 5: Solve for x
    x = 157,888,907,632.10/580,614.45
  6. Step 6: Final answer
    x = 271,934.17

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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.