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Finding the Fourth Proportional to 484,083.98, 668,068.26 and 269,262.26

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Solution

The fourth proportional to 484,083.98, 668,068.26 and 269,262.26 is: 371,599.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,083.98 : 668,068.26 = 269,262.26 : x
  2. Step 2: Convert to fraction form
    484,083.98/668,068.26 = 269,262.26/x
  3. Step 3: Cross multiply
    484,083.98x = 668,068.26 × 269,262.26
  4. Step 4: Simplify right side
    484,083.98x = 179,885,569,521.87
  5. Step 5: Solve for x
    x = 179,885,569,521.87/484,083.98
  6. Step 6: Final answer
    x = 371,599.92

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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.