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Finding the Fourth Proportional to 603,469.73, 905,204.46 and 154,191.44

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Solution

The fourth proportional to 603,469.73, 905,204.46 and 154,191.44 is: 231,287.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,469.73 : 905,204.46 = 154,191.44 : x
  2. Step 2: Convert to fraction form
    603,469.73/905,204.46 = 154,191.44/x
  3. Step 3: Cross multiply
    603,469.73x = 905,204.46 × 154,191.44
  4. Step 4: Simplify right side
    603,469.73x = 139,574,779,181.82
  5. Step 5: Solve for x
    x = 139,574,779,181.82/603,469.73
  6. Step 6: Final answer
    x = 231,287.13

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1.5x scale

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.