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Finding the Fourth Proportional to 446,587.60, 669,881.40 and 269,440.60

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Solution

The fourth proportional to 446,587.60, 669,881.40 and 269,440.60 is: 404,160.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,587.60 : 669,881.40 = 269,440.60 : x
  2. Step 2: Convert to fraction form
    446,587.60/669,881.40 = 269,440.60/x
  3. Step 3: Cross multiply
    446,587.60x = 669,881.40 × 269,440.60
  4. Step 4: Simplify right side
    446,587.60x = 180,493,246,344.84
  5. Step 5: Solve for x
    x = 180,493,246,344.84/446,587.60
  6. Step 6: Final answer
    x = 404,160.90

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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.