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Finding the Fourth Proportional to 411,202.32, 616,672.20 and 130,653.96

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Solution

The fourth proportional to 411,202.32, 616,672.20 and 130,653.96 is: 195,939.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,202.32 : 616,672.20 = 130,653.96 : x
  2. Step 2: Convert to fraction form
    411,202.32/616,672.20 = 130,653.96/x
  3. Step 3: Cross multiply
    411,202.32x = 616,672.20 × 130,653.96
  4. Step 4: Simplify right side
    411,202.32x = 80,570,664,951.91
  5. Step 5: Solve for x
    x = 80,570,664,951.91/411,202.32
  6. Step 6: Final answer
    x = 195,939.23

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.