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Finding the Fourth Proportional to 335,999.20, 503,307.60 and 230,936.80

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Solution

The fourth proportional to 335,999.20, 503,307.60 and 230,936.80 is: 345,930.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,999.20 : 503,307.60 = 230,936.80 : x
  2. Step 2: Convert to fraction form
    335,999.20/503,307.60 = 230,936.80/x
  3. Step 3: Cross multiply
    335,999.20x = 503,307.60 × 230,936.80
  4. Step 4: Simplify right side
    335,999.20x = 116,232,246,559.68
  5. Step 5: Solve for x
    x = 116,232,246,559.68/335,999.20
  6. Step 6: Final answer
    x = 345,930.13

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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.