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Finding the Fourth Proportional to 422,203,368.84, 632,753,500.58 and 235,449,859.16

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Solution

The fourth proportional to 422,203,368.84, 632,753,500.58 and 235,449,859.16 is: 352,867,204.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,203,368.84 : 632,753,500.58 = 235,449,859.16 : x
  2. Step 2: Convert to fraction form
    422,203,368.84/632,753,500.58 = 235,449,859.16/x
  3. Step 3: Cross multiply
    422,203,368.84x = 632,753,500.58 × 235,449,859.16
  4. Step 4: Simplify right side
    422,203,368.84x = 148,981,722,594,557,984
  5. Step 5: Solve for x
    x = 148,981,722,594,557,984/422,203,368.84
  6. Step 6: Final answer
    x = 352,867,204.74

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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.