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Finding the Fourth Proportional to 361,048.32, 498,250.71 and 199,918.26

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Solution

The fourth proportional to 361,048.32, 498,250.71 and 199,918.26 is: 275,889.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,048.32 : 498,250.71 = 199,918.26 : x
  2. Step 2: Convert to fraction form
    361,048.32/498,250.71 = 199,918.26/x
  3. Step 3: Cross multiply
    361,048.32x = 498,250.71 × 199,918.26
  4. Step 4: Simplify right side
    361,048.32x = 99,609,414,986.96
  5. Step 5: Solve for x
    x = 99,609,414,986.96/361,048.32
  6. Step 6: Final answer
    x = 275,889.43

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1.5x scale

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.