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Finding the Fourth Proportional to 633,383.34, 874,052.28 and 361,446.36

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Solution

The fourth proportional to 633,383.34, 874,052.28 and 361,446.36 is: 498,786.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,383.34 : 874,052.28 = 361,446.36 : x
  2. Step 2: Convert to fraction form
    633,383.34/874,052.28 = 361,446.36/x
  3. Step 3: Cross multiply
    633,383.34x = 874,052.28 × 361,446.36
  4. Step 4: Simplify right side
    633,383.34x = 315,923,015,055.70
  5. Step 5: Solve for x
    x = 315,923,015,055.70/633,383.34
  6. Step 6: Final answer
    x = 498,786.43

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1.5x scale

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.