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Finding the Fourth Proportional to 300,476.28, 414,938.25 and 193,232.48

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Solution

The fourth proportional to 300,476.28, 414,938.25 and 193,232.48 is: 266,841.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,476.28 : 414,938.25 = 193,232.48 : x
  2. Step 2: Convert to fraction form
    300,476.28/414,938.25 = 193,232.48/x
  3. Step 3: Cross multiply
    300,476.28x = 414,938.25 × 193,232.48
  4. Step 4: Simplify right side
    300,476.28x = 80,179,548,131.71
  5. Step 5: Solve for x
    x = 80,179,548,131.71/300,476.28
  6. Step 6: Final answer
    x = 266,841.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.