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Finding the Fourth Proportional to 332,612.22, 498,690.60 and 119,375.40

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Solution

The fourth proportional to 332,612.22, 498,690.60 and 119,375.40 is: 178,981.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,612.22 : 498,690.60 = 119,375.40 : x
  2. Step 2: Convert to fraction form
    332,612.22/498,690.60 = 119,375.40/x
  3. Step 3: Cross multiply
    332,612.22x = 498,690.60 × 119,375.40
  4. Step 4: Simplify right side
    332,612.22x = 59,531,389,851.24
  5. Step 5: Solve for x
    x = 59,531,389,851.24/332,612.22
  6. Step 6: Final answer
    x = 178,981.37

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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.