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Finding the Fourth Proportional to 304,372.72, 456,515.34 and 126,846.64

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Solution

The fourth proportional to 304,372.72, 456,515.34 and 126,846.64 is: 190,251.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,372.72 : 456,515.34 = 126,846.64 : x
  2. Step 2: Convert to fraction form
    304,372.72/456,515.34 = 126,846.64/x
  3. Step 3: Cross multiply
    304,372.72x = 456,515.34 × 126,846.64
  4. Step 4: Simplify right side
    304,372.72x = 57,907,436,987.46
  5. Step 5: Solve for x
    x = 57,907,436,987.46/304,372.72
  6. Step 6: Final answer
    x = 190,251.73

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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.