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Finding the Fourth Proportional to 308,049.90, 462,074.85 and 108,401.10

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Solution

The fourth proportional to 308,049.90, 462,074.85 and 108,401.10 is: 162,601.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,049.90 : 462,074.85 = 108,401.10 : x
  2. Step 2: Convert to fraction form
    308,049.90/462,074.85 = 108,401.10/x
  3. Step 3: Cross multiply
    308,049.90x = 462,074.85 × 108,401.10
  4. Step 4: Simplify right side
    308,049.90x = 50,089,422,022.34
  5. Step 5: Solve for x
    x = 50,089,422,022.34/308,049.90
  6. Step 6: Final answer
    x = 162,601.65

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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.