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Finding the Fourth Proportional to 362,359.52, 500,102.20 and 219,120.56

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Solution

The fourth proportional to 362,359.52, 500,102.20 and 219,120.56 is: 302,414.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,359.52 : 500,102.20 = 219,120.56 : x
  2. Step 2: Convert to fraction form
    362,359.52/500,102.20 = 219,120.56/x
  3. Step 3: Cross multiply
    362,359.52x = 500,102.20 × 219,120.56
  4. Step 4: Simplify right side
    362,359.52x = 109,582,674,121.23
  5. Step 5: Solve for x
    x = 109,582,674,121.23/362,359.52
  6. Step 6: Final answer
    x = 302,414.23

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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.