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Finding the Fourth Proportional to 350,480.70, 524,943.45 and 140,010.30

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Solution

The fourth proportional to 350,480.70, 524,943.45 and 140,010.30 is: 209,704.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,480.70 : 524,943.45 = 140,010.30 : x
  2. Step 2: Convert to fraction form
    350,480.70/524,943.45 = 140,010.30/x
  3. Step 3: Cross multiply
    350,480.70x = 524,943.45 × 140,010.30
  4. Step 4: Simplify right side
    350,480.70x = 73,497,489,917.54
  5. Step 5: Solve for x
    x = 73,497,489,917.54/350,480.70
  6. Step 6: Final answer
    x = 209,704.81

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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.