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Finding the Fourth Proportional to 342,323.20, 512,793.60 and 237,260.80

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Solution

The fourth proportional to 342,323.20, 512,793.60 and 237,260.80 is: 355,412.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,323.20 : 512,793.60 = 237,260.80 : x
  2. Step 2: Convert to fraction form
    342,323.20/512,793.60 = 237,260.80/x
  3. Step 3: Cross multiply
    342,323.20x = 512,793.60 × 237,260.80
  4. Step 4: Simplify right side
    342,323.20x = 121,665,819,770.88
  5. Step 5: Solve for x
    x = 121,665,819,770.88/342,323.20
  6. Step 6: Final answer
    x = 355,412.14

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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.