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Finding the Fourth Proportional to 446,638.10, 669,670.10 and 294,659.36

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Solution

The fourth proportional to 446,638.10, 669,670.10 and 294,659.36 is: 441,799.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,638.10 : 669,670.10 = 294,659.36 : x
  2. Step 2: Convert to fraction form
    446,638.10/669,670.10 = 294,659.36/x
  3. Step 3: Cross multiply
    446,638.10x = 669,670.10 × 294,659.36
  4. Step 4: Simplify right side
    446,638.10x = 197,324,563,278.01
  5. Step 5: Solve for x
    x = 197,324,563,278.01/446,638.10
  6. Step 6: Final answer
    x = 441,799.67

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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.