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Finding the Fourth Proportional to 601,212.12, 901,861.92 and 201,849.53

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Solution

The fourth proportional to 601,212.12, 901,861.92 and 201,849.53 is: 302,788.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,212.12 : 901,861.92 = 201,849.53 : x
  2. Step 2: Convert to fraction form
    601,212.12/901,861.92 = 201,849.53/x
  3. Step 3: Cross multiply
    601,212.12x = 901,861.92 × 201,849.53
  4. Step 4: Simplify right side
    601,212.12x = 182,040,400,167.59
  5. Step 5: Solve for x
    x = 182,040,400,167.59/601,212.12
  6. Step 6: Final answer
    x = 302,788.97

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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.