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Finding the Fourth Proportional to 540,174.44, 810,262.02 and 140,814.20

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Solution

The fourth proportional to 540,174.44, 810,262.02 and 140,814.20 is: 211,221.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,174.44 : 810,262.02 = 140,814.20 : x
  2. Step 2: Convert to fraction form
    540,174.44/810,262.02 = 140,814.20/x
  3. Step 3: Cross multiply
    540,174.44x = 810,262.02 × 140,814.20
  4. Step 4: Simplify right side
    540,174.44x = 114,096,398,136.68
  5. Step 5: Solve for x
    x = 114,096,398,136.68/540,174.44
  6. Step 6: Final answer
    x = 211,221.39

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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.