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Finding the Fourth Proportional to 576,846.82, 796,054.72 and 318,717.34

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Solution

The fourth proportional to 576,846.82, 796,054.72 and 318,717.34 is: 439,833.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,846.82 : 796,054.72 = 318,717.34 : x
  2. Step 2: Convert to fraction form
    576,846.82/796,054.72 = 318,717.34/x
  3. Step 3: Cross multiply
    576,846.82x = 796,054.72 × 318,717.34
  4. Step 4: Simplify right side
    576,846.82x = 253,716,442,006.02
  5. Step 5: Solve for x
    x = 253,716,442,006.02/576,846.82
  6. Step 6: Final answer
    x = 439,833.31

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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.