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Finding the Fourth Proportional to 303,861.54, 455,814.47 and 104,180.23

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Solution

The fourth proportional to 303,861.54, 455,814.47 and 104,180.23 is: 156,277.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,861.54 : 455,814.47 = 104,180.23 : x
  2. Step 2: Convert to fraction form
    303,861.54/455,814.47 = 104,180.23/x
  3. Step 3: Cross multiply
    303,861.54x = 455,814.47 × 104,180.23
  4. Step 4: Simplify right side
    303,861.54x = 47,486,856,321.93
  5. Step 5: Solve for x
    x = 47,486,856,321.93/303,861.54
  6. Step 6: Final answer
    x = 156,277.94

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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.