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Finding the Fourth Proportional to 433,591.62, 648,790.92 and 262,202.10

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Solution

The fourth proportional to 433,591.62, 648,790.92 and 262,202.10 is: 392,337.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,591.62 : 648,790.92 = 262,202.10 : x
  2. Step 2: Convert to fraction form
    433,591.62/648,790.92 = 262,202.10/x
  3. Step 3: Cross multiply
    433,591.62x = 648,790.92 × 262,202.10
  4. Step 4: Simplify right side
    433,591.62x = 170,114,341,684.93
  5. Step 5: Solve for x
    x = 170,114,341,684.93/433,591.62
  6. Step 6: Final answer
    x = 392,337.71

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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.