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Finding the Fourth Proportional to 469,274.54, 703,939.20 and 181,087.70

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Solution

The fourth proportional to 469,274.54, 703,939.20 and 181,087.70 is: 271,642.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,274.54 : 703,939.20 = 181,087.70 : x
  2. Step 2: Convert to fraction form
    469,274.54/703,939.20 = 181,087.70/x
  3. Step 3: Cross multiply
    469,274.54x = 703,939.20 × 181,087.70
  4. Step 4: Simplify right side
    469,274.54x = 127,474,730,667.84
  5. Step 5: Solve for x
    x = 127,474,730,667.84/469,274.54
  6. Step 6: Final answer
    x = 271,642.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.