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Finding the Fourth Proportional to 404,055.64, 605,952.24 and 190,790.56

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Solution

The fourth proportional to 404,055.64, 605,952.24 and 190,790.56 is: 286,123.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,055.64 : 605,952.24 = 190,790.56 : x
  2. Step 2: Convert to fraction form
    404,055.64/605,952.24 = 190,790.56/x
  3. Step 3: Cross multiply
    404,055.64x = 605,952.24 × 190,790.56
  4. Step 4: Simplify right side
    404,055.64x = 115,609,967,202.85
  5. Step 5: Solve for x
    x = 115,609,967,202.85/404,055.64
  6. Step 6: Final answer
    x = 286,123.88

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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.