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Finding the Fourth Proportional to 426,447.75, 588,251.20 and 275,544.75

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Solution

The fourth proportional to 426,447.75, 588,251.20 and 275,544.75 is: 380,092.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,447.75 : 588,251.20 = 275,544.75 : x
  2. Step 2: Convert to fraction form
    426,447.75/588,251.20 = 275,544.75/x
  3. Step 3: Cross multiply
    426,447.75x = 588,251.20 × 275,544.75
  4. Step 4: Simplify right side
    426,447.75x = 162,089,529,841.20
  5. Step 5: Solve for x
    x = 162,089,529,841.20/426,447.75
  6. Step 6: Final answer
    x = 380,092.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.