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Finding the Fourth Proportional to 326,324.52, 450,320.86 and 181,121.84

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Solution

The fourth proportional to 326,324.52, 450,320.86 and 181,121.84 is: 249,944.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,324.52 : 450,320.86 = 181,121.84 : x
  2. Step 2: Convert to fraction form
    326,324.52/450,320.86 = 181,121.84/x
  3. Step 3: Cross multiply
    326,324.52x = 450,320.86 × 181,121.84
  4. Step 4: Simplify right side
    326,324.52x = 81,562,944,664.47
  5. Step 5: Solve for x
    x = 81,562,944,664.47/326,324.52
  6. Step 6: Final answer
    x = 249,944.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.