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Finding the Fourth Proportional to 449,660.40, 674,490.60 and 350,127.60

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Solution

The fourth proportional to 449,660.40, 674,490.60 and 350,127.60 is: 525,191.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,660.40 : 674,490.60 = 350,127.60 : x
  2. Step 2: Convert to fraction form
    449,660.40/674,490.60 = 350,127.60/x
  3. Step 3: Cross multiply
    449,660.40x = 674,490.60 × 350,127.60
  4. Step 4: Simplify right side
    449,660.40x = 236,157,775,000.56
  5. Step 5: Solve for x
    x = 236,157,775,000.56/449,660.40
  6. Step 6: Final answer
    x = 525,191.40

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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.