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Finding the Fourth Proportional to 351,058.84, 484,462.38 and 189,914.56

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Solution

The fourth proportional to 351,058.84, 484,462.38 and 189,914.56 is: 262,082.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,058.84 : 484,462.38 = 189,914.56 : x
  2. Step 2: Convert to fraction form
    351,058.84/484,462.38 = 189,914.56/x
  3. Step 3: Cross multiply
    351,058.84x = 484,462.38 × 189,914.56
  4. Step 4: Simplify right side
    351,058.84x = 92,006,459,734.25
  5. Step 5: Solve for x
    x = 92,006,459,734.25/351,058.84
  6. Step 6: Final answer
    x = 262,082.73

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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.