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Finding the Fourth Proportional to 273,743.60, 409,693.80 and 251,625.20

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Solution

The fourth proportional to 273,743.60, 409,693.80 and 251,625.20 is: 376,590.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,743.60 : 409,693.80 = 251,625.20 : x
  2. Step 2: Convert to fraction form
    273,743.60/409,693.80 = 251,625.20/x
  3. Step 3: Cross multiply
    273,743.60x = 409,693.80 × 251,625.20
  4. Step 4: Simplify right side
    273,743.60x = 103,089,284,363.76
  5. Step 5: Solve for x
    x = 103,089,284,363.76/273,743.60
  6. Step 6: Final answer
    x = 376,590.67

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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.