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Finding the Fourth Proportional to 400,562.44, 600,863.06 and 130,690.06

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Solution

The fourth proportional to 400,562.44, 600,863.06 and 130,690.06 is: 196,041.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,562.44 : 600,863.06 = 130,690.06 : x
  2. Step 2: Convert to fraction form
    400,562.44/600,863.06 = 130,690.06/x
  3. Step 3: Cross multiply
    400,562.44x = 600,863.06 × 130,690.06
  4. Step 4: Simplify right side
    400,562.44x = 78,526,828,187.75
  5. Step 5: Solve for x
    x = 78,526,828,187.75/400,562.44
  6. Step 6: Final answer
    x = 196,041.42

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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.