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Finding the Fourth Proportional to 451,635.66, 677,238.98 and 262,154.49

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Solution

The fourth proportional to 451,635.66, 677,238.98 and 262,154.49 is: 393,107.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,635.66 : 677,238.98 = 262,154.49 : x
  2. Step 2: Convert to fraction form
    451,635.66/677,238.98 = 262,154.49/x
  3. Step 3: Cross multiply
    451,635.66x = 677,238.98 × 262,154.49
  4. Step 4: Simplify right side
    451,635.66x = 177,541,241,627.11
  5. Step 5: Solve for x
    x = 177,541,241,627.11/451,635.66
  6. Step 6: Final answer
    x = 393,107.23

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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.