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Finding the Fourth Proportional to 304,533.56, 456,543.42 and 191,965.60

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Solution

The fourth proportional to 304,533.56, 456,543.42 and 191,965.60 is: 287,786.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,533.56 : 456,543.42 = 191,965.60 : x
  2. Step 2: Convert to fraction form
    304,533.56/456,543.42 = 191,965.60/x
  3. Step 3: Cross multiply
    304,533.56x = 456,543.42 × 191,965.60
  4. Step 4: Simplify right side
    304,533.56x = 87,640,631,546.35
  5. Step 5: Solve for x
    x = 87,640,631,546.35/304,533.56
  6. Step 6: Final answer
    x = 287,786.45

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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.