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Finding the Fourth Proportional to 357,620.40, 536,495.40 and 179,679.60

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Solution

The fourth proportional to 357,620.40, 536,495.40 and 179,679.60 is: 269,551.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,620.40 : 536,495.40 = 179,679.60 : x
  2. Step 2: Convert to fraction form
    357,620.40/536,495.40 = 179,679.60/x
  3. Step 3: Cross multiply
    357,620.40x = 536,495.40 × 179,679.60
  4. Step 4: Simplify right side
    357,620.40x = 96,397,278,873.84
  5. Step 5: Solve for x
    x = 96,397,278,873.84/357,620.40
  6. Step 6: Final answer
    x = 269,551.96

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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.