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Finding the Fourth Proportional to 298,183.27, 411,483.54 and 162,213.72

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Solution

The fourth proportional to 298,183.27, 411,483.54 and 162,213.72 is: 223,849.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,183.27 : 411,483.54 = 162,213.72 : x
  2. Step 2: Convert to fraction form
    298,183.27/411,483.54 = 162,213.72/x
  3. Step 3: Cross multiply
    298,183.27x = 411,483.54 × 162,213.72
  4. Step 4: Simplify right side
    298,183.27x = 66,748,275,227.52
  5. Step 5: Solve for x
    x = 66,748,275,227.52/298,183.27
  6. Step 6: Final answer
    x = 223,849.83

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1.5x scale

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.