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Finding the Fourth Proportional to 293,889.63, 405,192.27 and 190,340.91

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Solution

The fourth proportional to 293,889.63, 405,192.27 and 190,340.91 is: 262,427.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,889.63 : 405,192.27 = 190,340.91 : x
  2. Step 2: Convert to fraction form
    293,889.63/405,192.27 = 190,340.91/x
  3. Step 3: Cross multiply
    293,889.63x = 405,192.27 × 190,340.91
  4. Step 4: Simplify right side
    293,889.63x = 77,124,665,396.77
  5. Step 5: Solve for x
    x = 77,124,665,396.77/293,889.63
  6. Step 6: Final answer
    x = 262,427.31

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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.