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Finding the Fourth Proportional to 270,814.98, 373,720.11 and 149,953.66

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Solution

The fourth proportional to 270,814.98, 373,720.11 and 149,953.66 is: 206,933.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,814.98 : 373,720.11 = 149,953.66 : x
  2. Step 2: Convert to fraction form
    270,814.98/373,720.11 = 149,953.66/x
  3. Step 3: Cross multiply
    270,814.98x = 373,720.11 × 149,953.66
  4. Step 4: Simplify right side
    270,814.98x = 56,040,699,759.14
  5. Step 5: Solve for x
    x = 56,040,699,759.14/270,814.98
  6. Step 6: Final answer
    x = 206,933.53

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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.