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Finding the Fourth Proportional to 333,449.89, 500,268.50 and 133,910.40

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Solution

The fourth proportional to 333,449.89, 500,268.50 and 133,910.40 is: 200,903.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,449.89 : 500,268.50 = 133,910.40 : x
  2. Step 2: Convert to fraction form
    333,449.89/500,268.50 = 133,910.40/x
  3. Step 3: Cross multiply
    333,449.89x = 500,268.50 × 133,910.40
  4. Step 4: Simplify right side
    333,449.89x = 66,991,154,942.40
  5. Step 5: Solve for x
    x = 66,991,154,942.40/333,449.89
  6. Step 6: Final answer
    x = 200,903.22

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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.