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Finding the Fourth Proportional to 349,469.44, 523,348.80 and 162,534.40

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Solution

The fourth proportional to 349,469.44, 523,348.80 and 162,534.40 is: 243,403.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,469.44 : 523,348.80 = 162,534.40 : x
  2. Step 2: Convert to fraction form
    349,469.44/523,348.80 = 162,534.40/x
  3. Step 3: Cross multiply
    349,469.44x = 523,348.80 × 162,534.40
  4. Step 4: Simplify right side
    349,469.44x = 85,062,183,198.72
  5. Step 5: Solve for x
    x = 85,062,183,198.72/349,469.44
  6. Step 6: Final answer
    x = 243,403.78

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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.