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Finding the Fourth Proportional to 400,252.56, 599,589.88 and 325,457.16

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Solution

The fourth proportional to 400,252.56, 599,589.88 and 325,457.16 is: 487,544.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,252.56 : 599,589.88 = 325,457.16 : x
  2. Step 2: Convert to fraction form
    400,252.56/599,589.88 = 325,457.16/x
  3. Step 3: Cross multiply
    400,252.56x = 599,589.88 × 325,457.16
  4. Step 4: Simplify right side
    400,252.56x = 195,140,819,509.54
  5. Step 5: Solve for x
    x = 195,140,819,509.54/400,252.56
  6. Step 6: Final answer
    x = 487,544.21

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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.