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Finding the Fourth Proportional to 451,865.76, 677,792.16 and 110,313.60

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Solution

The fourth proportional to 451,865.76, 677,792.16 and 110,313.60 is: 165,468.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,865.76 : 677,792.16 = 110,313.60 : x
  2. Step 2: Convert to fraction form
    451,865.76/677,792.16 = 110,313.60/x
  3. Step 3: Cross multiply
    451,865.76x = 677,792.16 × 110,313.60
  4. Step 4: Simplify right side
    451,865.76x = 74,769,693,221.38
  5. Step 5: Solve for x
    x = 74,769,693,221.38/451,865.76
  6. Step 6: Final answer
    x = 165,468.82

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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.