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Finding the Fourth Proportional to 451,958.64, 624,528.20 and 329,237.44

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Solution

The fourth proportional to 451,958.64, 624,528.20 and 329,237.44 is: 454,948.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,958.64 : 624,528.20 = 329,237.44 : x
  2. Step 2: Convert to fraction form
    451,958.64/624,528.20 = 329,237.44/x
  3. Step 3: Cross multiply
    451,958.64x = 624,528.20 × 329,237.44
  4. Step 4: Simplify right side
    451,958.64x = 205,618,065,775.81
  5. Step 5: Solve for x
    x = 205,618,065,775.81/451,958.64
  6. Step 6: Final answer
    x = 454,948.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.