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Finding the Fourth Proportional to 547,546.92, 755,606.72 and 305,833.02

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Solution

The fourth proportional to 547,546.92, 755,606.72 and 305,833.02 is: 422,045.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,546.92 : 755,606.72 = 305,833.02 : x
  2. Step 2: Convert to fraction form
    547,546.92/755,606.72 = 305,833.02/x
  3. Step 3: Cross multiply
    547,546.92x = 755,606.72 × 305,833.02
  4. Step 4: Simplify right side
    547,546.92x = 231,089,485,109.89
  5. Step 5: Solve for x
    x = 231,089,485,109.89/547,546.92
  6. Step 6: Final answer
    x = 422,045.08

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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.