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Finding the Fourth Proportional to 324,727.80, 487,674.90 and 236,081.40

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Solution

The fourth proportional to 324,727.80, 487,674.90 and 236,081.40 is: 354,546.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,727.80 : 487,674.90 = 236,081.40 : x
  2. Step 2: Convert to fraction form
    324,727.80/487,674.90 = 236,081.40/x
  3. Step 3: Cross multiply
    324,727.80x = 487,674.90 × 236,081.40
  4. Step 4: Simplify right side
    324,727.80x = 115,130,973,136.86
  5. Step 5: Solve for x
    x = 115,130,973,136.86/324,727.80
  6. Step 6: Final answer
    x = 354,546.09

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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.