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Finding the Fourth Proportional to 301,125.60, 451,396.80 and 269,632.80

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Solution

The fourth proportional to 301,125.60, 451,396.80 and 269,632.80 is: 404,188.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,125.60 : 451,396.80 = 269,632.80 : x
  2. Step 2: Convert to fraction form
    301,125.60/451,396.80 = 269,632.80/x
  3. Step 3: Cross multiply
    301,125.60x = 451,396.80 × 269,632.80
  4. Step 4: Simplify right side
    301,125.60x = 121,711,383,095.04
  5. Step 5: Solve for x
    x = 121,711,383,095.04/301,125.60
  6. Step 6: Final answer
    x = 404,188.10

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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.