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Finding the Fourth Proportional to 308,850.80, 463,276.20 and 109,169.60

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Solution

The fourth proportional to 308,850.80, 463,276.20 and 109,169.60 is: 163,754.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,850.80 : 463,276.20 = 109,169.60 : x
  2. Step 2: Convert to fraction form
    308,850.80/463,276.20 = 109,169.60/x
  3. Step 3: Cross multiply
    308,850.80x = 463,276.20 × 109,169.60
  4. Step 4: Simplify right side
    308,850.80x = 50,575,677,443.52
  5. Step 5: Solve for x
    x = 50,575,677,443.52/308,850.80
  6. Step 6: Final answer
    x = 163,754.40

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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.