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Finding the Fourth Proportional to 265,197.81, 397,796.73 and 218,352.27

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Solution

The fourth proportional to 265,197.81, 397,796.73 and 218,352.27 is: 327,528.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,197.81 : 397,796.73 = 218,352.27 : x
  2. Step 2: Convert to fraction form
    265,197.81/397,796.73 = 218,352.27/x
  3. Step 3: Cross multiply
    265,197.81x = 397,796.73 × 218,352.27
  4. Step 4: Simplify right side
    265,197.81x = 86,859,818,994.08
  5. Step 5: Solve for x
    x = 86,859,818,994.08/265,197.81
  6. Step 6: Final answer
    x = 327,528.42

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Similar ratio
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1.5x scale

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.