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Finding the Fourth Proportional to 405,584.55, 608,442.44 and 168,951.15

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Solution

The fourth proportional to 405,584.55, 608,442.44 and 168,951.15 is: 253,454.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,584.55 : 608,442.44 = 168,951.15 : x
  2. Step 2: Convert to fraction form
    405,584.55/608,442.44 = 168,951.15/x
  3. Step 3: Cross multiply
    405,584.55x = 608,442.44 × 168,951.15
  4. Step 4: Simplify right side
    405,584.55x = 102,797,049,102.05
  5. Step 5: Solve for x
    x = 102,797,049,102.05/405,584.55
  6. Step 6: Final answer
    x = 253,454.06

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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.