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Finding the Fourth Proportional to 446,509.20, 669,758.64 and 109,546.56

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Solution

The fourth proportional to 446,509.20, 669,758.64 and 109,546.56 is: 164,318.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,509.20 : 669,758.64 = 109,546.56 : x
  2. Step 2: Convert to fraction form
    446,509.20/669,758.64 = 109,546.56/x
  3. Step 3: Cross multiply
    446,509.20x = 669,758.64 × 109,546.56
  4. Step 4: Simplify right side
    446,509.20x = 73,369,755,042.28
  5. Step 5: Solve for x
    x = 73,369,755,042.28/446,509.20
  6. Step 6: Final answer
    x = 164,318.57

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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.