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Finding the Fourth Proportional to 446,489.59, 669,817.46 and 146,991.23

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Solution

The fourth proportional to 446,489.59, 669,817.46 and 146,991.23 is: 220,514.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,489.59 : 669,817.46 = 146,991.23 : x
  2. Step 2: Convert to fraction form
    446,489.59/669,817.46 = 146,991.23/x
  3. Step 3: Cross multiply
    446,489.59x = 669,817.46 × 146,991.23
  4. Step 4: Simplify right side
    446,489.59x = 98,457,292,320.88
  5. Step 5: Solve for x
    x = 98,457,292,320.88/446,489.59
  6. Step 6: Final answer
    x = 220,514.19

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Similar ratio
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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.