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Finding the Fourth Proportional to 361,195.14, 498,453.03 and 217,927.50

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Solution

The fourth proportional to 361,195.14, 498,453.03 and 217,927.50 is: 300,742.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,195.14 : 498,453.03 = 217,927.50 : x
  2. Step 2: Convert to fraction form
    361,195.14/498,453.03 = 217,927.50/x
  3. Step 3: Cross multiply
    361,195.14x = 498,453.03 × 217,927.50
  4. Step 4: Simplify right side
    361,195.14x = 108,626,622,695.33
  5. Step 5: Solve for x
    x = 108,626,622,695.33/361,195.14
  6. Step 6: Final answer
    x = 300,742.20

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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.