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Finding the Fourth Proportional to 227,278.32, 313,653.78 and 126,676.32

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Solution

The fourth proportional to 227,278.32, 313,653.78 and 126,676.32 is: 174,818.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,278.32 : 313,653.78 = 126,676.32 : x
  2. Step 2: Convert to fraction form
    227,278.32/313,653.78 = 126,676.32/x
  3. Step 3: Cross multiply
    227,278.32x = 313,653.78 × 126,676.32
  4. Step 4: Simplify right side
    227,278.32x = 39,732,506,604.49
  5. Step 5: Solve for x
    x = 39,732,506,604.49/227,278.32
  6. Step 6: Final answer
    x = 174,818.73

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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.