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Finding the Fourth Proportional to 324,416.80, 486,625.20 and 114,027.40

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Solution

The fourth proportional to 324,416.80, 486,625.20 and 114,027.40 is: 171,041.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,416.80 : 486,625.20 = 114,027.40 : x
  2. Step 2: Convert to fraction form
    324,416.80/486,625.20 = 114,027.40/x
  3. Step 3: Cross multiply
    324,416.80x = 486,625.20 × 114,027.40
  4. Step 4: Simplify right side
    324,416.80x = 55,488,606,330.48
  5. Step 5: Solve for x
    x = 55,488,606,330.48/324,416.80
  6. Step 6: Final answer
    x = 171,041.10

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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.