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Finding the Fourth Proportional to 339,733.60, 509,600.40 and 227,759.20

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Solution

The fourth proportional to 339,733.60, 509,600.40 and 227,759.20 is: 341,638.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,733.60 : 509,600.40 = 227,759.20 : x
  2. Step 2: Convert to fraction form
    339,733.60/509,600.40 = 227,759.20/x
  3. Step 3: Cross multiply
    339,733.60x = 509,600.40 × 227,759.20
  4. Step 4: Simplify right side
    339,733.60x = 116,066,179,423.68
  5. Step 5: Solve for x
    x = 116,066,179,423.68/339,733.60
  6. Step 6: Final answer
    x = 341,638.80

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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.