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Finding the Fourth Proportional to 448,915.73, 673,480.52 and 168,435.41

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Solution

The fourth proportional to 448,915.73, 673,480.52 and 168,435.41 is: 252,693.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,915.73 : 673,480.52 = 168,435.41 : x
  2. Step 2: Convert to fraction form
    448,915.73/673,480.52 = 168,435.41/x
  3. Step 3: Cross multiply
    448,915.73x = 673,480.52 × 168,435.41
  4. Step 4: Simplify right side
    448,915.73x = 113,437,967,513.21
  5. Step 5: Solve for x
    x = 113,437,967,513.21/448,915.73
  6. Step 6: Final answer
    x = 252,693.23

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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.