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Finding the Fourth Proportional to 303,067.45, 418,159.29 and 195,614.47

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Solution

The fourth proportional to 303,067.45, 418,159.29 and 195,614.47 is: 269,900.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,067.45 : 418,159.29 = 195,614.47 : x
  2. Step 2: Convert to fraction form
    303,067.45/418,159.29 = 195,614.47/x
  3. Step 3: Cross multiply
    303,067.45x = 418,159.29 × 195,614.47
  4. Step 4: Simplify right side
    303,067.45x = 81,798,007,888.93
  5. Step 5: Solve for x
    x = 81,798,007,888.93/303,067.45
  6. Step 6: Final answer
    x = 269,900.34

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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.