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Finding the Fourth Proportional to 324,764.40, 486,455.40 and 269,468.40

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Solution

The fourth proportional to 324,764.40, 486,455.40 and 269,468.40 is: 403,629.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,764.40 : 486,455.40 = 269,468.40 : x
  2. Step 2: Convert to fraction form
    324,764.40/486,455.40 = 269,468.40/x
  3. Step 3: Cross multiply
    324,764.40x = 486,455.40 × 269,468.40
  4. Step 4: Simplify right side
    324,764.40x = 131,084,358,309.36
  5. Step 5: Solve for x
    x = 131,084,358,309.36/324,764.40
  6. Step 6: Final answer
    x = 403,629.09

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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.