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Finding the Fourth Proportional to 324,224.14, 486,401.82 and 113,878.48

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Solution

The fourth proportional to 324,224.14, 486,401.82 and 113,878.48 is: 170,840.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,224.14 : 486,401.82 = 113,878.48 : x
  2. Step 2: Convert to fraction form
    324,224.14/486,401.82 = 113,878.48/x
  3. Step 3: Cross multiply
    324,224.14x = 486,401.82 × 113,878.48
  4. Step 4: Simplify right side
    324,224.14x = 55,390,699,930.83
  5. Step 5: Solve for x
    x = 55,390,699,930.83/324,224.14
  6. Step 6: Final answer
    x = 170,840.76

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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.