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Finding the Fourth Proportional to 533,261.68, 736,086.44 and 306,997.36

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Solution

The fourth proportional to 533,261.68, 736,086.44 and 306,997.36 is: 423,763.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,261.68 : 736,086.44 = 306,997.36 : x
  2. Step 2: Convert to fraction form
    533,261.68/736,086.44 = 306,997.36/x
  3. Step 3: Cross multiply
    533,261.68x = 736,086.44 × 306,997.36
  4. Step 4: Simplify right side
    533,261.68x = 225,976,593,811.80
  5. Step 5: Solve for x
    x = 225,976,593,811.80/533,261.68
  6. Step 6: Final answer
    x = 423,763.05

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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.