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Finding the Fourth Proportional to 445,040.88, 667,554.03 and 108,084.30

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Solution

The fourth proportional to 445,040.88, 667,554.03 and 108,084.30 is: 162,124.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,040.88 : 667,554.03 = 108,084.30 : x
  2. Step 2: Convert to fraction form
    445,040.88/667,554.03 = 108,084.30/x
  3. Step 3: Cross multiply
    445,040.88x = 667,554.03 × 108,084.30
  4. Step 4: Simplify right side
    445,040.88x = 72,152,110,044.73
  5. Step 5: Solve for x
    x = 72,152,110,044.73/445,040.88
  6. Step 6: Final answer
    x = 162,124.68

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1.5x scale

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.