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Finding the Fourth Proportional to 324,266.60, 485,743.80 and 224,539.40

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Solution

The fourth proportional to 324,266.60, 485,743.80 and 224,539.40 is: 336,354.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,266.60 : 485,743.80 = 224,539.40 : x
  2. Step 2: Convert to fraction form
    324,266.60/485,743.80 = 224,539.40/x
  3. Step 3: Cross multiply
    324,266.60x = 485,743.80 × 224,539.40
  4. Step 4: Simplify right side
    324,266.60x = 109,068,621,405.72
  5. Step 5: Solve for x
    x = 109,068,621,405.72/324,266.60
  6. Step 6: Final answer
    x = 336,354.78

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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.