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Finding the Fourth Proportional to 376,344.54, 519,119.24 and 223,274.37

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Solution

The fourth proportional to 376,344.54, 519,119.24 and 223,274.37 is: 307,978.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,344.54 : 519,119.24 = 223,274.37 : x
  2. Step 2: Convert to fraction form
    376,344.54/519,119.24 = 223,274.37/x
  3. Step 3: Cross multiply
    376,344.54x = 519,119.24 × 223,274.37
  4. Step 4: Simplify right side
    376,344.54x = 115,906,020,149.51
  5. Step 5: Solve for x
    x = 115,906,020,149.51/376,344.54
  6. Step 6: Final answer
    x = 307,978.48

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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.