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Finding the Fourth Proportional to 350,020.20, 482,826.59 and 220,912.79

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Solution

The fourth proportional to 350,020.20, 482,826.59 and 220,912.79 is: 304,732.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,020.20 : 482,826.59 = 220,912.79 : x
  2. Step 2: Convert to fraction form
    350,020.20/482,826.59 = 220,912.79/x
  3. Step 3: Cross multiply
    350,020.20x = 482,826.59 × 220,912.79
  4. Step 4: Simplify right side
    350,020.20x = 106,662,565,564.39
  5. Step 5: Solve for x
    x = 106,662,565,564.39/350,020.20
  6. Step 6: Final answer
    x = 304,732.60

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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.