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Finding the Fourth Proportional to 445,258.52, 667,491.36 and 160,885.64

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Solution

The fourth proportional to 445,258.52, 667,491.36 and 160,885.64 is: 241,185.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,258.52 : 667,491.36 = 160,885.64 : x
  2. Step 2: Convert to fraction form
    445,258.52/667,491.36 = 160,885.64/x
  3. Step 3: Cross multiply
    445,258.52x = 667,491.36 × 160,885.64
  4. Step 4: Simplify right side
    445,258.52x = 107,389,774,648.07
  5. Step 5: Solve for x
    x = 107,389,774,648.07/445,258.52
  6. Step 6: Final answer
    x = 241,185.22

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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.