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Finding the Fourth Proportional to 536,645.22, 804,995.41 and 137,289.46

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Solution

The fourth proportional to 536,645.22, 804,995.41 and 137,289.46 is: 205,941.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,645.22 : 804,995.41 = 137,289.46 : x
  2. Step 2: Convert to fraction form
    536,645.22/804,995.41 = 137,289.46/x
  3. Step 3: Cross multiply
    536,645.22x = 804,995.41 × 137,289.46
  4. Step 4: Simplify right side
    536,645.22x = 110,517,384,454.93
  5. Step 5: Solve for x
    x = 110,517,384,454.93/536,645.22
  6. Step 6: Final answer
    x = 205,941.24

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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.