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Finding the Fourth Proportional to 308,850.80, 463,276.20 and 304,185.20

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Solution

The fourth proportional to 308,850.80, 463,276.20 and 304,185.20 is: 456,277.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,850.80 : 463,276.20 = 304,185.20 : x
  2. Step 2: Convert to fraction form
    308,850.80/463,276.20 = 304,185.20/x
  3. Step 3: Cross multiply
    308,850.80x = 463,276.20 × 304,185.20
  4. Step 4: Simplify right side
    308,850.80x = 140,921,763,552.24
  5. Step 5: Solve for x
    x = 140,921,763,552.24/308,850.80
  6. Step 6: Final answer
    x = 456,277.80

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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.