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Finding the Fourth Proportional to 201,676.10, 302,514.15 and 186,469.70

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Solution

The fourth proportional to 201,676.10, 302,514.15 and 186,469.70 is: 279,704.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,676.10 : 302,514.15 = 186,469.70 : x
  2. Step 2: Convert to fraction form
    201,676.10/302,514.15 = 186,469.70/x
  3. Step 3: Cross multiply
    201,676.10x = 302,514.15 × 186,469.70
  4. Step 4: Simplify right side
    201,676.10x = 56,409,722,796.26
  5. Step 5: Solve for x
    x = 56,409,722,796.26/201,676.10
  6. Step 6: Final answer
    x = 279,704.55

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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.