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Finding the Fourth Proportional to 303,759.72, 419,211.40 and 174,737.70

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Solution

The fourth proportional to 303,759.72, 419,211.40 and 174,737.70 is: 241,151.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,759.72 : 419,211.40 = 174,737.70 : x
  2. Step 2: Convert to fraction form
    303,759.72/419,211.40 = 174,737.70/x
  3. Step 3: Cross multiply
    303,759.72x = 419,211.40 × 174,737.70
  4. Step 4: Simplify right side
    303,759.72x = 73,252,035,849.78
  5. Step 5: Solve for x
    x = 73,252,035,849.78/303,759.72
  6. Step 6: Final answer
    x = 241,151.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.