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Finding the Fourth Proportional to 446,696.49, 669,748.53 and 162,353.28

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Solution

The fourth proportional to 446,696.49, 669,748.53 and 162,353.28 is: 243,422.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,696.49 : 669,748.53 = 162,353.28 : x
  2. Step 2: Convert to fraction form
    446,696.49/669,748.53 = 162,353.28/x
  3. Step 3: Cross multiply
    446,696.49x = 669,748.53 × 162,353.28
  4. Step 4: Simplify right side
    446,696.49x = 108,735,873,741.06
  5. Step 5: Solve for x
    x = 108,735,873,741.06/446,696.49
  6. Step 6: Final answer
    x = 243,422.27

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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.