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Finding the Fourth Proportional to 325,490.94, 448,877.73 and 223,336.17

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Solution

The fourth proportional to 325,490.94, 448,877.73 and 223,336.17 is: 307,998.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,490.94 : 448,877.73 = 223,336.17 : x
  2. Step 2: Convert to fraction form
    325,490.94/448,877.73 = 223,336.17/x
  3. Step 3: Cross multiply
    325,490.94x = 448,877.73 × 223,336.17
  4. Step 4: Simplify right side
    325,490.94x = 100,250,633,016.49
  5. Step 5: Solve for x
    x = 100,250,633,016.49/325,490.94
  6. Step 6: Final answer
    x = 307,998.23

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1.5x scale

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.