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Finding the Fourth Proportional to 226,412.88, 339,680.57 and 76,653.15

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Solution

The fourth proportional to 226,412.88, 339,680.57 and 76,653.15 is: 115,000.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,412.88 : 339,680.57 = 76,653.15 : x
  2. Step 2: Convert to fraction form
    226,412.88/339,680.57 = 76,653.15/x
  3. Step 3: Cross multiply
    226,412.88x = 339,680.57 × 76,653.15
  4. Step 4: Simplify right side
    226,412.88x = 26,037,585,301.03
  5. Step 5: Solve for x
    x = 26,037,585,301.03/226,412.88
  6. Step 6: Final answer
    x = 115,000.46

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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.