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Finding the Fourth Proportional to 422,233.60, 633,811.20 and 235,609.60

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Solution

The fourth proportional to 422,233.60, 633,811.20 and 235,609.60 is: 353,671.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,233.60 : 633,811.20 = 235,609.60 : x
  2. Step 2: Convert to fraction form
    422,233.60/633,811.20 = 235,609.60/x
  3. Step 3: Cross multiply
    422,233.60x = 633,811.20 × 235,609.60
  4. Step 4: Simplify right side
    422,233.60x = 149,332,003,307.52
  5. Step 5: Solve for x
    x = 149,332,003,307.52/422,233.60
  6. Step 6: Final answer
    x = 353,671.53

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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.