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Finding the Fourth Proportional to 488,907.58, 733,361.96 and 133,924.66

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Solution

The fourth proportional to 488,907.58, 733,361.96 and 133,924.66 is: 200,887.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,907.58 : 733,361.96 = 133,924.66 : x
  2. Step 2: Convert to fraction form
    488,907.58/733,361.96 = 133,924.66/x
  3. Step 3: Cross multiply
    488,907.58x = 733,361.96 × 133,924.66
  4. Step 4: Simplify right side
    488,907.58x = 98,215,250,480.31
  5. Step 5: Solve for x
    x = 98,215,250,480.31/488,907.58
  6. Step 6: Final answer
    x = 200,887.15

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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.