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Finding the Fourth Proportional to 366,211.44, 548,873.52 and 155,406.60

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Solution

The fourth proportional to 366,211.44, 548,873.52 and 155,406.60 is: 232,921.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,211.44 : 548,873.52 = 155,406.60 : x
  2. Step 2: Convert to fraction form
    366,211.44/548,873.52 = 155,406.60/x
  3. Step 3: Cross multiply
    366,211.44x = 548,873.52 × 155,406.60
  4. Step 4: Simplify right side
    366,211.44x = 85,298,567,573.23
  5. Step 5: Solve for x
    x = 85,298,567,573.23/366,211.44
  6. Step 6: Final answer
    x = 232,921.64

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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.