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Finding the Fourth Proportional to 443,160.64, 664,828.44 and 162,680.32

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Solution

The fourth proportional to 443,160.64, 664,828.44 and 162,680.32 is: 244,052.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,160.64 : 664,828.44 = 162,680.32 : x
  2. Step 2: Convert to fraction form
    443,160.64/664,828.44 = 162,680.32/x
  3. Step 3: Cross multiply
    443,160.64x = 664,828.44 × 162,680.32
  4. Step 4: Simplify right side
    443,160.64x = 108,154,503,364.30
  5. Step 5: Solve for x
    x = 108,154,503,364.30/443,160.64
  6. Step 6: Final answer
    x = 244,052.59

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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.