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Finding the Fourth Proportional to 303,695.96, 455,545.56 and 199,176.80

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Solution

The fourth proportional to 303,695.96, 455,545.56 and 199,176.80 is: 298,766.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,695.96 : 455,545.56 = 199,176.80 : x
  2. Step 2: Convert to fraction form
    303,695.96/455,545.56 = 199,176.80/x
  3. Step 3: Cross multiply
    303,695.96x = 455,545.56 × 199,176.80
  4. Step 4: Simplify right side
    303,695.96x = 90,734,106,895.01
  5. Step 5: Solve for x
    x = 90,734,106,895.01/303,695.96
  6. Step 6: Final answer
    x = 298,766.26

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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.