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Finding the Fourth Proportional to 270,546.39, 405,133.06 and 162,408.46

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Solution

The fourth proportional to 270,546.39, 405,133.06 and 162,408.46 is: 243,200.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,546.39 : 405,133.06 = 162,408.46 : x
  2. Step 2: Convert to fraction form
    270,546.39/405,133.06 = 162,408.46/x
  3. Step 3: Cross multiply
    270,546.39x = 405,133.06 × 162,408.46
  4. Step 4: Simplify right side
    270,546.39x = 65,797,036,369.69
  5. Step 5: Solve for x
    x = 65,797,036,369.69/270,546.39
  6. Step 6: Final answer
    x = 243,200.57

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1.5x scale

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.