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Finding the Fourth Proportional to 366,865.83, 550,261.89 and 100,653.12

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Solution

The fourth proportional to 366,865.83, 550,261.89 and 100,653.12 is: 150,969.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,865.83 : 550,261.89 = 100,653.12 : x
  2. Step 2: Convert to fraction form
    366,865.83/550,261.89 = 100,653.12/x
  3. Step 3: Cross multiply
    366,865.83x = 550,261.89 × 100,653.12
  4. Step 4: Simplify right side
    366,865.83x = 55,385,576,045.60
  5. Step 5: Solve for x
    x = 55,385,576,045.60/366,865.83
  6. Step 6: Final answer
    x = 150,969.57

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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.