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Finding the Fourth Proportional to 446,495.88, 669,749.36 and 130,959.32

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Solution

The fourth proportional to 446,495.88, 669,749.36 and 130,959.32 is: 196,440.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,495.88 : 669,749.36 = 130,959.32 : x
  2. Step 2: Convert to fraction form
    446,495.88/669,749.36 = 130,959.32/x
  3. Step 3: Cross multiply
    446,495.88x = 669,749.36 × 130,959.32
  4. Step 4: Simplify right side
    446,495.88x = 87,709,920,756.04
  5. Step 5: Solve for x
    x = 87,709,920,756.04/446,495.88
  6. Step 6: Final answer
    x = 196,440.60

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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.