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Finding the Fourth Proportional to 326,292.80, 450,261.05 and 181,105.97

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Solution

The fourth proportional to 326,292.80, 450,261.05 and 181,105.97 is: 249,913.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,292.80 : 450,261.05 = 181,105.97 : x
  2. Step 2: Convert to fraction form
    326,292.80/450,261.05 = 181,105.97/x
  3. Step 3: Cross multiply
    326,292.80x = 450,261.05 × 181,105.97
  4. Step 4: Simplify right side
    326,292.80x = 81,544,961,056.63
  5. Step 5: Solve for x
    x = 81,544,961,056.63/326,292.80
  6. Step 6: Final answer
    x = 249,913.46

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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.