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Finding the Fourth Proportional to 369,986.49, 510,581.34 and 200,220.63

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Solution

The fourth proportional to 369,986.49, 510,581.34 and 200,220.63 is: 276,304.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,986.49 : 510,581.34 = 200,220.63 : x
  2. Step 2: Convert to fraction form
    369,986.49/510,581.34 = 200,220.63/x
  3. Step 3: Cross multiply
    369,986.49x = 510,581.34 × 200,220.63
  4. Step 4: Simplify right side
    369,986.49x = 102,228,917,561.04
  5. Step 5: Solve for x
    x = 102,228,917,561.04/369,986.49
  6. Step 6: Final answer
    x = 276,304.46

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.