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Finding the Fourth Proportional to 449,657.96, 674,954.10 and 300,937.48

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Solution

The fourth proportional to 449,657.96, 674,954.10 and 300,937.48 is: 451,718.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,657.96 : 674,954.10 = 300,937.48 : x
  2. Step 2: Convert to fraction form
    449,657.96/674,954.10 = 300,937.48/x
  3. Step 3: Cross multiply
    449,657.96x = 674,954.10 × 300,937.48
  4. Step 4: Simplify right side
    449,657.96x = 203,118,985,969.67
  5. Step 5: Solve for x
    x = 203,118,985,969.67/449,657.96
  6. Step 6: Final answer
    x = 451,718.87

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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.