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Finding the Fourth Proportional to 449,166.60, 673,847.10 and 133,655.40

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Solution

The fourth proportional to 449,166.60, 673,847.10 and 133,655.40 is: 200,512.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,166.60 : 673,847.10 = 133,655.40 : x
  2. Step 2: Convert to fraction form
    449,166.60/673,847.10 = 133,655.40/x
  3. Step 3: Cross multiply
    449,166.60x = 673,847.10 × 133,655.40
  4. Step 4: Simplify right side
    449,166.60x = 90,063,303,689.34
  5. Step 5: Solve for x
    x = 90,063,303,689.34/449,166.60
  6. Step 6: Final answer
    x = 200,512.02

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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.