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Finding the Fourth Proportional to 451,822.33, 677,708.54 and 330,367.32

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Solution

The fourth proportional to 451,822.33, 677,708.54 and 330,367.32 is: 495,532.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,822.33 : 677,708.54 = 330,367.32 : x
  2. Step 2: Convert to fraction form
    451,822.33/677,708.54 = 330,367.32/x
  3. Step 3: Cross multiply
    451,822.33x = 677,708.54 × 330,367.32
  4. Step 4: Simplify right side
    451,822.33x = 223,892,758,266.14
  5. Step 5: Solve for x
    x = 223,892,758,266.14/451,822.33
  6. Step 6: Final answer
    x = 495,532.75

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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.