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Finding the Fourth Proportional to 324,748.40, 486,431.40 and 269,452.40

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Solution

The fourth proportional to 324,748.40, 486,431.40 and 269,452.40 is: 403,605.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,748.40 : 486,431.40 = 269,452.40 : x
  2. Step 2: Convert to fraction form
    324,748.40/486,431.40 = 269,452.40/x
  3. Step 3: Cross multiply
    324,748.40x = 486,431.40 × 269,452.40
  4. Step 4: Simplify right side
    324,748.40x = 131,070,108,165.36
  5. Step 5: Solve for x
    x = 131,070,108,165.36/324,748.40
  6. Step 6: Final answer
    x = 403,605.09

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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.