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Finding the Fourth Proportional to 422,536.44, 583,095.31 and 228,940.36

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Solution

The fourth proportional to 422,536.44, 583,095.31 and 228,940.36 is: 315,935.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,536.44 : 583,095.31 = 228,940.36 : x
  2. Step 2: Convert to fraction form
    422,536.44/583,095.31 = 228,940.36/x
  3. Step 3: Cross multiply
    422,536.44x = 583,095.31 × 228,940.36
  4. Step 4: Simplify right side
    422,536.44x = 133,494,050,185.71
  5. Step 5: Solve for x
    x = 133,494,050,185.71/422,536.44
  6. Step 6: Final answer
    x = 315,935.00

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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.