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Finding the Fourth Proportional to 446,004.57, 669,000.86 and 109,048.12

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Solution

The fourth proportional to 446,004.57, 669,000.86 and 109,048.12 is: 163,570.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,004.57 : 669,000.86 = 109,048.12 : x
  2. Step 2: Convert to fraction form
    446,004.57/669,000.86 = 109,048.12/x
  3. Step 3: Cross multiply
    446,004.57x = 669,000.86 × 109,048.12
  4. Step 4: Simplify right side
    446,004.57x = 72,953,284,252.57
  5. Step 5: Solve for x
    x = 72,953,284,252.57/446,004.57
  6. Step 6: Final answer
    x = 163,570.71

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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.