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Finding the Fourth Proportional to 300,635.45, 414,877.08 and 164,671.67

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Solution

The fourth proportional to 300,635.45, 414,877.08 and 164,671.67 is: 227,246.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,635.45 : 414,877.08 = 164,671.67 : x
  2. Step 2: Convert to fraction form
    300,635.45/414,877.08 = 164,671.67/x
  3. Step 3: Cross multiply
    300,635.45x = 414,877.08 × 164,671.67
  4. Step 4: Simplify right side
    300,635.45x = 68,318,499,533.94
  5. Step 5: Solve for x
    x = 68,318,499,533.94/300,635.45
  6. Step 6: Final answer
    x = 227,246.99

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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.