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Finding the Fourth Proportional to 440,022.80, 659,904.60 and 173,694.80

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Solution

The fourth proportional to 440,022.80, 659,904.60 and 173,694.80 is: 260,491.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,022.80 : 659,904.60 = 173,694.80 : x
  2. Step 2: Convert to fraction form
    440,022.80/659,904.60 = 173,694.80/x
  3. Step 3: Cross multiply
    440,022.80x = 659,904.60 × 173,694.80
  4. Step 4: Simplify right side
    440,022.80x = 114,621,997,516.08
  5. Step 5: Solve for x
    x = 114,621,997,516.08/440,022.80
  6. Step 6: Final answer
    x = 260,491.04

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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.