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Finding the Fourth Proportional to 350,990.27, 526,551.02 and 140,644.61

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Solution

The fourth proportional to 350,990.27, 526,551.02 and 140,644.61 is: 210,993.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,990.27 : 526,551.02 = 140,644.61 : x
  2. Step 2: Convert to fraction form
    350,990.27/526,551.02 = 140,644.61/x
  3. Step 3: Cross multiply
    350,990.27x = 526,551.02 × 140,644.61
  4. Step 4: Simplify right side
    350,990.27x = 74,056,559,517.02
  5. Step 5: Solve for x
    x = 74,056,559,517.02/350,990.27
  6. Step 6: Final answer
    x = 210,993.20

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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.