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Finding the Fourth Proportional to 423,645.28, 584,634.64 and 232,662.72

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Solution

The fourth proportional to 423,645.28, 584,634.64 and 232,662.72 is: 321,076.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,645.28 : 584,634.64 = 232,662.72 : x
  2. Step 2: Convert to fraction form
    423,645.28/584,634.64 = 232,662.72/x
  3. Step 3: Cross multiply
    423,645.28x = 584,634.64 × 232,662.72
  4. Step 4: Simplify right side
    423,645.28x = 136,022,685,548.62
  5. Step 5: Solve for x
    x = 136,022,685,548.62/423,645.28
  6. Step 6: Final answer
    x = 321,076.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.