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Finding the Fourth Proportional to 449,784.77, 674,793.89 and 134,241.67

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Solution

The fourth proportional to 449,784.77, 674,793.89 and 134,241.67 is: 201,397.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,784.77 : 674,793.89 = 134,241.67 : x
  2. Step 2: Convert to fraction form
    449,784.77/674,793.89 = 134,241.67/x
  3. Step 3: Cross multiply
    449,784.77x = 674,793.89 × 134,241.67
  4. Step 4: Simplify right side
    449,784.77x = 90,585,454,654.22
  5. Step 5: Solve for x
    x = 90,585,454,654.22/449,784.77
  6. Step 6: Final answer
    x = 201,397.34

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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.