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Finding the Fourth Proportional to 446,586.60, 669,879.90 and 269,439.60

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Solution

The fourth proportional to 446,586.60, 669,879.90 and 269,439.60 is: 404,159.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,586.60 : 669,879.90 = 269,439.60 : x
  2. Step 2: Convert to fraction form
    446,586.60/669,879.90 = 269,439.60/x
  3. Step 3: Cross multiply
    446,586.60x = 669,879.90 × 269,439.60
  4. Step 4: Simplify right side
    446,586.60x = 180,492,172,304.04
  5. Step 5: Solve for x
    x = 180,492,172,304.04/446,586.60
  6. Step 6: Final answer
    x = 404,159.40

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Double scale
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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.