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Finding the Fourth Proportional to 350,874.35, 484,206.25 and 189,729.02

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Solution

The fourth proportional to 350,874.35, 484,206.25 and 189,729.02 is: 261,825.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,874.35 : 484,206.25 = 189,729.02 : x
  2. Step 2: Convert to fraction form
    350,874.35/484,206.25 = 189,729.02/x
  3. Step 3: Cross multiply
    350,874.35x = 484,206.25 × 189,729.02
  4. Step 4: Simplify right side
    350,874.35x = 91,867,977,290.38
  5. Step 5: Solve for x
    x = 91,867,977,290.38/350,874.35
  6. Step 6: Final answer
    x = 261,825.86

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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.