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Finding the Fourth Proportional to 326,295.47, 450,370.52 and 222,971.49

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Solution

The fourth proportional to 326,295.47, 450,370.52 and 222,971.49 is: 307,757.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,295.47 : 450,370.52 = 222,971.49 : x
  2. Step 2: Convert to fraction form
    326,295.47/450,370.52 = 222,971.49/x
  3. Step 3: Cross multiply
    326,295.47x = 450,370.52 × 222,971.49
  4. Step 4: Simplify right side
    326,295.47x = 100,419,784,781.62
  5. Step 5: Solve for x
    x = 100,419,784,781.62/326,295.47
  6. Step 6: Final answer
    x = 307,757.22

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1.5x scale

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.