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Finding the Fourth Proportional to 332,321.40, 498,158.10 and 190,020.60

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Solution

The fourth proportional to 332,321.40, 498,158.10 and 190,020.60 is: 284,845.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,321.40 : 498,158.10 = 190,020.60 : x
  2. Step 2: Convert to fraction form
    332,321.40/498,158.10 = 190,020.60/x
  3. Step 3: Cross multiply
    332,321.40x = 498,158.10 × 190,020.60
  4. Step 4: Simplify right side
    332,321.40x = 94,660,301,056.86
  5. Step 5: Solve for x
    x = 94,660,301,056.86/332,321.40
  6. Step 6: Final answer
    x = 284,845.64

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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.