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Finding the Fourth Proportional to 325,970.53, 488,504.72 and 235,290.22

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Solution

The fourth proportional to 325,970.53, 488,504.72 and 235,290.22 is: 352,609.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,970.53 : 488,504.72 = 235,290.22 : x
  2. Step 2: Convert to fraction form
    325,970.53/488,504.72 = 235,290.22/x
  3. Step 3: Cross multiply
    325,970.53x = 488,504.72 × 235,290.22
  4. Step 4: Simplify right side
    325,970.53x = 114,940,382,406.80
  5. Step 5: Solve for x
    x = 114,940,382,406.80/325,970.53
  6. Step 6: Final answer
    x = 352,609.74

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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.