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Finding the Fourth Proportional to 444,574.50, 613,512.81 and 243,370.50

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Solution

The fourth proportional to 444,574.50, 613,512.81 and 243,370.50 is: 335,851.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,574.50 : 613,512.81 = 243,370.50 : x
  2. Step 2: Convert to fraction form
    444,574.50/613,512.81 = 243,370.50/x
  3. Step 3: Cross multiply
    444,574.50x = 613,512.81 × 243,370.50
  4. Step 4: Simplify right side
    444,574.50x = 149,310,919,326.11
  5. Step 5: Solve for x
    x = 149,310,919,326.11/444,574.50
  6. Step 6: Final answer
    x = 335,851.29

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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.