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Finding the Fourth Proportional to 366,675.74, 550,014.06 and 100,438.57

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Solution

The fourth proportional to 366,675.74, 550,014.06 and 100,438.57 is: 150,657.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,675.74 : 550,014.06 = 100,438.57 : x
  2. Step 2: Convert to fraction form
    366,675.74/550,014.06 = 100,438.57/x
  3. Step 3: Cross multiply
    366,675.74x = 550,014.06 × 100,438.57
  4. Step 4: Simplify right side
    366,675.74x = 55,242,622,916.22
  5. Step 5: Solve for x
    x = 55,242,622,916.22/366,675.74
  6. Step 6: Final answer
    x = 150,657.97

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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.