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Finding the Fourth Proportional to 446,505.60, 669,758.40 and 114,081.60

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Solution

The fourth proportional to 446,505.60, 669,758.40 and 114,081.60 is: 171,122.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,505.60 : 669,758.40 = 114,081.60 : x
  2. Step 2: Convert to fraction form
    446,505.60/669,758.40 = 114,081.60/x
  3. Step 3: Cross multiply
    446,505.60x = 669,758.40 × 114,081.60
  4. Step 4: Simplify right side
    446,505.60x = 76,407,109,885.44
  5. Step 5: Solve for x
    x = 76,407,109,885.44/446,505.60
  6. Step 6: Final answer
    x = 171,122.40

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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.