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Finding the Fourth Proportional to 324,301.86, 484,323.60 and 276,406.56

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Solution

The fourth proportional to 324,301.86, 484,323.60 and 276,406.56 is: 412,795.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,301.86 : 484,323.60 = 276,406.56 : x
  2. Step 2: Convert to fraction form
    324,301.86/484,323.60 = 276,406.56/x
  3. Step 3: Cross multiply
    324,301.86x = 484,323.60 × 276,406.56
  4. Step 4: Simplify right side
    324,301.86x = 133,870,221,239.34
  5. Step 5: Solve for x
    x = 133,870,221,239.34/324,301.86
  6. Step 6: Final answer
    x = 412,795.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.