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Finding the Fourth Proportional to 483,522.64, 725,361.72 and 203,120.08

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Solution

The fourth proportional to 483,522.64, 725,361.72 and 203,120.08 is: 304,712.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,522.64 : 725,361.72 = 203,120.08 : x
  2. Step 2: Convert to fraction form
    483,522.64/725,361.72 = 203,120.08/x
  3. Step 3: Cross multiply
    483,522.64x = 725,361.72 × 203,120.08
  4. Step 4: Simplify right side
    483,522.64x = 147,335,530,595.34
  5. Step 5: Solve for x
    x = 147,335,530,595.34/483,522.64
  6. Step 6: Final answer
    x = 304,712.79

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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.