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Finding the Fourth Proportional to 244,676.70, 366,928.65 and 86,910.30

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Solution

The fourth proportional to 244,676.70, 366,928.65 and 86,910.30 is: 130,334.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,676.70 : 366,928.65 = 86,910.30 : x
  2. Step 2: Convert to fraction form
    244,676.70/366,928.65 = 86,910.30/x
  3. Step 3: Cross multiply
    244,676.70x = 366,928.65 × 86,910.30
  4. Step 4: Simplify right side
    244,676.70x = 31,889,879,050.10
  5. Step 5: Solve for x
    x = 31,889,879,050.10/244,676.70
  6. Step 6: Final answer
    x = 130,334.76

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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.