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Finding the Fourth Proportional to 449,970.60, 675,058.30 and 262,885.80

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Solution

The fourth proportional to 449,970.60, 675,058.30 and 262,885.80 is: 394,388.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,970.60 : 675,058.30 = 262,885.80 : x
  2. Step 2: Convert to fraction form
    449,970.60/675,058.30 = 262,885.80/x
  3. Step 3: Cross multiply
    449,970.60x = 675,058.30 × 262,885.80
  4. Step 4: Simplify right side
    449,970.60x = 177,463,241,242.14
  5. Step 5: Solve for x
    x = 177,463,241,242.14/449,970.60
  6. Step 6: Final answer
    x = 394,388.53

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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.