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Finding the Fourth Proportional to 303,701.96, 455,554.56 and 199,182.80

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Solution

The fourth proportional to 303,701.96, 455,554.56 and 199,182.80 is: 298,775.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,701.96 : 455,554.56 = 199,182.80 : x
  2. Step 2: Convert to fraction form
    303,701.96/455,554.56 = 199,182.80/x
  3. Step 3: Cross multiply
    303,701.96x = 455,554.56 × 199,182.80
  4. Step 4: Simplify right side
    303,701.96x = 90,738,632,813.57
  5. Step 5: Solve for x
    x = 90,738,632,813.57/303,701.96
  6. Step 6: Final answer
    x = 298,775.26

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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.