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Finding the Fourth Proportional to 450,969.53, 622,313.89 and 247,009.91

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Solution

The fourth proportional to 450,969.53, 622,313.89 and 247,009.91 is: 340,860.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,969.53 : 622,313.89 = 247,009.91 : x
  2. Step 2: Convert to fraction form
    450,969.53/622,313.89 = 247,009.91/x
  3. Step 3: Cross multiply
    450,969.53x = 622,313.89 × 247,009.91
  4. Step 4: Simplify right side
    450,969.53x = 153,717,694,231.56
  5. Step 5: Solve for x
    x = 153,717,694,231.56/450,969.53
  6. Step 6: Final answer
    x = 340,860.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.