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Finding the Fourth Proportional to 350,902.31, 526,348.58 and 84,660.59

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Solution

The fourth proportional to 350,902.31, 526,348.58 and 84,660.59 is: 126,989.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,902.31 : 526,348.58 = 84,660.59 : x
  2. Step 2: Convert to fraction form
    350,902.31/526,348.58 = 84,660.59/x
  3. Step 3: Cross multiply
    350,902.31x = 526,348.58 × 84,660.59
  4. Step 4: Simplify right side
    350,902.31x = 44,560,980,905.16
  5. Step 5: Solve for x
    x = 44,560,980,905.16/350,902.31
  6. Step 6: Final answer
    x = 126,989.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.