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Finding the Fourth Proportional to 536,224.72, 804,336.72 and 136,865.56

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Solution

The fourth proportional to 536,224.72, 804,336.72 and 136,865.56 is: 205,298.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,224.72 : 804,336.72 = 136,865.56 : x
  2. Step 2: Convert to fraction form
    536,224.72/804,336.72 = 136,865.56/x
  3. Step 3: Cross multiply
    536,224.72x = 804,336.72 × 136,865.56
  4. Step 4: Simplify right side
    536,224.72x = 110,085,995,611.36
  5. Step 5: Solve for x
    x = 110,085,995,611.36/536,224.72
  6. Step 6: Final answer
    x = 205,298.25

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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.