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Finding the Fourth Proportional to 325,487.30, 448,872.72 and 223,332.54

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Solution

The fourth proportional to 325,487.30, 448,872.72 and 223,332.54 is: 307,993.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,487.30 : 448,872.72 = 223,332.54 : x
  2. Step 2: Convert to fraction form
    325,487.30/448,872.72 = 223,332.54/x
  3. Step 3: Cross multiply
    325,487.30x = 448,872.72 × 223,332.54
  4. Step 4: Simplify right side
    325,487.30x = 100,247,884,694.31
  5. Step 5: Solve for x
    x = 100,247,884,694.31/325,487.30
  6. Step 6: Final answer
    x = 307,993.23

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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.