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Finding the Fourth Proportional to 404,063.64, 605,964.24 and 190,798.56

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Solution

The fourth proportional to 404,063.64, 605,964.24 and 190,798.56 is: 286,135.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,063.64 : 605,964.24 = 190,798.56 : x
  2. Step 2: Convert to fraction form
    404,063.64/605,964.24 = 190,798.56/x
  3. Step 3: Cross multiply
    404,063.64x = 605,964.24 × 190,798.56
  4. Step 4: Simplify right side
    404,063.64x = 115,617,104,403.49
  5. Step 5: Solve for x
    x = 115,617,104,403.49/404,063.64
  6. Step 6: Final answer
    x = 286,135.88

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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.