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Finding the Fourth Proportional to 366,246.80, 548,932.80 and 188,662.40

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Solution

The fourth proportional to 366,246.80, 548,932.80 and 188,662.40 is: 282,768.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,246.80 : 548,932.80 = 188,662.40 : x
  2. Step 2: Convert to fraction form
    366,246.80/548,932.80 = 188,662.40/x
  3. Step 3: Cross multiply
    366,246.80x = 548,932.80 × 188,662.40
  4. Step 4: Simplify right side
    366,246.80x = 103,562,979,486.72
  5. Step 5: Solve for x
    x = 103,562,979,486.72/366,246.80
  6. Step 6: Final answer
    x = 282,768.28

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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.