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Finding the Fourth Proportional to 303,704.70, 455,751.45 and 177,344.70

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Solution

The fourth proportional to 303,704.70, 455,751.45 and 177,344.70 is: 266,130.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,704.70 : 455,751.45 = 177,344.70 : x
  2. Step 2: Convert to fraction form
    303,704.70/455,751.45 = 177,344.70/x
  3. Step 3: Cross multiply
    303,704.70x = 455,751.45 × 177,344.70
  4. Step 4: Simplify right side
    303,704.70x = 80,825,104,174.82
  5. Step 5: Solve for x
    x = 80,825,104,174.82/303,704.70
  6. Step 6: Final answer
    x = 266,130.57

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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.