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Finding the Fourth Proportional to 335,912.72, 463,559.55 and 185,009.72

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Solution

The fourth proportional to 335,912.72, 463,559.55 and 185,009.72 is: 255,313.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,912.72 : 463,559.55 = 185,009.72 : x
  2. Step 2: Convert to fraction form
    335,912.72/463,559.55 = 185,009.72/x
  3. Step 3: Cross multiply
    335,912.72x = 463,559.55 × 185,009.72
  4. Step 4: Simplify right side
    335,912.72x = 85,763,022,663.16
  5. Step 5: Solve for x
    x = 85,763,022,663.16/335,912.72
  6. Step 6: Final answer
    x = 255,313.41

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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.