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Finding the Fourth Proportional to 360,786.96, 540,662.85 and 202,682.79

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Solution

The fourth proportional to 360,786.96, 540,662.85 and 202,682.79 is: 303,733.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,786.96 : 540,662.85 = 202,682.79 : x
  2. Step 2: Convert to fraction form
    360,786.96/540,662.85 = 202,682.79/x
  3. Step 3: Cross multiply
    360,786.96x = 540,662.85 × 202,682.79
  4. Step 4: Simplify right side
    360,786.96x = 109,583,054,887.35
  5. Step 5: Solve for x
    x = 109,583,054,887.35/360,786.96
  6. Step 6: Final answer
    x = 303,733.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.