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Finding the Fourth Proportional to 308,191.60, 462,244.20 and 97,850.80

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Solution

The fourth proportional to 308,191.60, 462,244.20 and 97,850.80 is: 146,762.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,191.60 : 462,244.20 = 97,850.80 : x
  2. Step 2: Convert to fraction form
    308,191.60/462,244.20 = 97,850.80/x
  3. Step 3: Cross multiply
    308,191.60x = 462,244.20 × 97,850.80
  4. Step 4: Simplify right side
    308,191.60x = 45,230,964,765.36
  5. Step 5: Solve for x
    x = 45,230,964,765.36/308,191.60
  6. Step 6: Final answer
    x = 146,762.48

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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.