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Finding the Fourth Proportional to 484,098.66, 668,064.73 and 269,238.82

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Solution

The fourth proportional to 484,098.66, 668,064.73 and 269,238.82 is: 371,554.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,098.66 : 668,064.73 = 269,238.82 : x
  2. Step 2: Convert to fraction form
    484,098.66/668,064.73 = 269,238.82/x
  3. Step 3: Cross multiply
    484,098.66x = 668,064.73 × 269,238.82
  4. Step 4: Simplify right side
    484,098.66x = 179,868,959,588.82
  5. Step 5: Solve for x
    x = 179,868,959,588.82/484,098.66
  6. Step 6: Final answer
    x = 371,554.34

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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.