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Finding the Fourth Proportional to 488,907.32, 733,361.58 and 133,924.41

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Solution

The fourth proportional to 488,907.32, 733,361.58 and 133,924.41 is: 200,886.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,907.32 : 733,361.58 = 133,924.41 : x
  2. Step 2: Convert to fraction form
    488,907.32/733,361.58 = 133,924.41/x
  3. Step 3: Cross multiply
    488,907.32x = 733,361.58 × 133,924.41
  4. Step 4: Simplify right side
    488,907.32x = 98,215,016,918.17
  5. Step 5: Solve for x
    x = 98,215,016,918.17/488,907.32
  6. Step 6: Final answer
    x = 200,886.78

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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.