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Finding the Fourth Proportional to 605,042.40, 906,382.62 and 367,796.64

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Solution

The fourth proportional to 605,042.40, 906,382.62 and 367,796.64 is: 550,977.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,042.40 : 906,382.62 = 367,796.64 : x
  2. Step 2: Convert to fraction form
    605,042.40/906,382.62 = 367,796.64/x
  3. Step 3: Cross multiply
    605,042.40x = 906,382.62 × 367,796.64
  4. Step 4: Simplify right side
    605,042.40x = 333,364,482,190.40
  5. Step 5: Solve for x
    x = 333,364,482,190.40/605,042.40
  6. Step 6: Final answer
    x = 550,977.06

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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.