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Finding the Fourth Proportional to 325,495.80, 448,884.45 and 223,341.03

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Solution

The fourth proportional to 325,495.80, 448,884.45 and 223,341.03 is: 308,004.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,495.80 : 448,884.45 = 223,341.03 : x
  2. Step 2: Convert to fraction form
    325,495.80/448,884.45 = 223,341.03/x
  3. Step 3: Cross multiply
    325,495.80x = 448,884.45 × 223,341.03
  4. Step 4: Simplify right side
    325,495.80x = 100,254,315,413.98
  5. Step 5: Solve for x
    x = 100,254,315,413.98/325,495.80
  6. Step 6: Final answer
    x = 308,004.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.