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Finding the Fourth Proportional to 446,162.28, 669,174.16 and 146,640.86

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Solution

The fourth proportional to 446,162.28, 669,174.16 and 146,640.86 is: 219,938.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,162.28 : 669,174.16 = 146,640.86 : x
  2. Step 2: Convert to fraction form
    446,162.28/669,174.16 = 146,640.86/x
  3. Step 3: Cross multiply
    446,162.28x = 669,174.16 × 146,640.86
  4. Step 4: Simplify right side
    446,162.28x = 98,128,271,502.01
  5. Step 5: Solve for x
    x = 98,128,271,502.01/446,162.28
  6. Step 6: Final answer
    x = 219,938.52

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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.