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Finding the Fourth Proportional to 431,953.18, 596,213.94 and 250,723.49

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Solution

The fourth proportional to 431,953.18, 596,213.94 and 250,723.49 is: 346,067.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,953.18 : 596,213.94 = 250,723.49 : x
  2. Step 2: Convert to fraction form
    431,953.18/596,213.94 = 250,723.49/x
  3. Step 3: Cross multiply
    431,953.18x = 596,213.94 × 250,723.49
  4. Step 4: Simplify right side
    431,953.18x = 149,484,839,823.45
  5. Step 5: Solve for x
    x = 149,484,839,823.45/431,953.18
  6. Step 6: Final answer
    x = 346,067.23

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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.