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Finding the Fourth Proportional to 556,935.44, 768,571.53 and 302,286.56

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Solution

The fourth proportional to 556,935.44, 768,571.53 and 302,286.56 is: 417,155.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,935.44 : 768,571.53 = 302,286.56 : x
  2. Step 2: Convert to fraction form
    556,935.44/768,571.53 = 302,286.56/x
  3. Step 3: Cross multiply
    556,935.44x = 768,571.53 × 302,286.56
  4. Step 4: Simplify right side
    556,935.44x = 232,328,843,917.64
  5. Step 5: Solve for x
    x = 232,328,843,917.64/556,935.44
  6. Step 6: Final answer
    x = 417,155.79

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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.