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Finding the Fourth Proportional to 269,676.81, 372,189.74 and 162,306.45

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Solution

The fourth proportional to 269,676.81, 372,189.74 and 162,306.45 is: 224,004.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,676.81 : 372,189.74 = 162,306.45 : x
  2. Step 2: Convert to fraction form
    269,676.81/372,189.74 = 162,306.45/x
  3. Step 3: Cross multiply
    269,676.81x = 372,189.74 × 162,306.45
  4. Step 4: Simplify right side
    269,676.81x = 60,408,794,614.29
  5. Step 5: Solve for x
    x = 60,408,794,614.29/269,676.81
  6. Step 6: Final answer
    x = 224,004.41

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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.