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Finding the Fourth Proportional to 344,559.41, 475,502.26 and 208,618.22

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Solution

The fourth proportional to 344,559.41, 475,502.26 and 208,618.22 is: 287,899.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,559.41 : 475,502.26 = 208,618.22 : x
  2. Step 2: Convert to fraction form
    344,559.41/475,502.26 = 208,618.22/x
  3. Step 3: Cross multiply
    344,559.41x = 475,502.26 × 208,618.22
  4. Step 4: Simplify right side
    344,559.41x = 99,198,435,087.18
  5. Step 5: Solve for x
    x = 99,198,435,087.18/344,559.41
  6. Step 6: Final answer
    x = 287,899.36

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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.