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Finding the Fourth Proportional to 603,474.98, 905,212.33 and 154,196.69

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Solution

The fourth proportional to 603,474.98, 905,212.33 and 154,196.69 is: 231,295.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,474.98 : 905,212.33 = 154,196.69 : x
  2. Step 2: Convert to fraction form
    603,474.98/905,212.33 = 154,196.69/x
  3. Step 3: Cross multiply
    603,474.98x = 905,212.33 × 154,196.69
  4. Step 4: Simplify right side
    603,474.98x = 139,580,745,033.19
  5. Step 5: Solve for x
    x = 139,580,745,033.19/603,474.98
  6. Step 6: Final answer
    x = 231,295.00

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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.