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Finding the Fourth Proportional to 422,308.64, 633,556.40 and 232,671.36

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Solution

The fourth proportional to 422,308.64, 633,556.40 and 232,671.36 is: 349,058.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,308.64 : 633,556.40 = 232,671.36 : x
  2. Step 2: Convert to fraction form
    422,308.64/633,556.40 = 232,671.36/x
  3. Step 3: Cross multiply
    422,308.64x = 633,556.40 × 232,671.36
  4. Step 4: Simplify right side
    422,308.64x = 147,410,429,224.70
  5. Step 5: Solve for x
    x = 147,410,429,224.70/422,308.64
  6. Step 6: Final answer
    x = 349,058.52

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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.