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Finding the Fourth Proportional to 452,530.53, 678,795.26 and 115,571.48

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Solution

The fourth proportional to 452,530.53, 678,795.26 and 115,571.48 is: 173,357.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,530.53 : 678,795.26 = 115,571.48 : x
  2. Step 2: Convert to fraction form
    452,530.53/678,795.26 = 115,571.48/x
  3. Step 3: Cross multiply
    452,530.53x = 678,795.26 × 115,571.48
  4. Step 4: Simplify right side
    452,530.53x = 78,449,368,843.35
  5. Step 5: Solve for x
    x = 78,449,368,843.35/452,530.53
  6. Step 6: Final answer
    x = 173,357.07

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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.