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Finding the Fourth Proportional to 449,325.67, 673,994.47 and 149,806.35

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Solution

The fourth proportional to 449,325.67, 673,994.47 and 149,806.35 is: 224,711.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,325.67 : 673,994.47 = 149,806.35 : x
  2. Step 2: Convert to fraction form
    449,325.67/673,994.47 = 149,806.35/x
  3. Step 3: Cross multiply
    449,325.67x = 673,994.47 × 149,806.35
  4. Step 4: Simplify right side
    449,325.67x = 100,968,651,470.89
  5. Step 5: Solve for x
    x = 100,968,651,470.89/449,325.67
  6. Step 6: Final answer
    x = 224,711.51

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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.