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Finding the Fourth Proportional to 483,249.61, 667,218.05 and 302,042.94

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Solution

The fourth proportional to 483,249.61, 667,218.05 and 302,042.94 is: 417,027.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,249.61 : 667,218.05 = 302,042.94 : x
  2. Step 2: Convert to fraction form
    483,249.61/667,218.05 = 302,042.94/x
  3. Step 3: Cross multiply
    483,249.61x = 667,218.05 × 302,042.94
  4. Step 4: Simplify right side
    483,249.61x = 201,528,501,443.07
  5. Step 5: Solve for x
    x = 201,528,501,443.07/483,249.61
  6. Step 6: Final answer
    x = 417,027.76

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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.