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Finding the Fourth Proportional to 603,846.90, 905,769.77 and 154,567.04

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Solution

The fourth proportional to 603,846.90, 905,769.77 and 154,567.04 is: 231,850.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,846.90 : 905,769.77 = 154,567.04 : x
  2. Step 2: Convert to fraction form
    603,846.90/905,769.77 = 154,567.04/x
  3. Step 3: Cross multiply
    603,846.90x = 905,769.77 × 154,567.04
  4. Step 4: Simplify right side
    603,846.90x = 140,002,146,968.70
  5. Step 5: Solve for x
    x = 140,002,146,968.70/603,846.90
  6. Step 6: Final answer
    x = 231,850.40

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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.