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Finding the Fourth Proportional to 308,710.39, 463,203.06 and 196,361.47

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Solution

The fourth proportional to 308,710.39, 463,203.06 and 196,361.47 is: 294,629.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,710.39 : 463,203.06 = 196,361.47 : x
  2. Step 2: Convert to fraction form
    308,710.39/463,203.06 = 196,361.47/x
  3. Step 3: Cross multiply
    308,710.39x = 463,203.06 × 196,361.47
  4. Step 4: Simplify right side
    308,710.39x = 90,955,231,007.23
  5. Step 5: Solve for x
    x = 90,955,231,007.23/308,710.39
  6. Step 6: Final answer
    x = 294,629.64

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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.