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Finding the Fourth Proportional to 396,321,348.90, 594,482,023.35 and 396,321,348.90

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Solution

The fourth proportional to 396,321,348.90, 594,482,023.35 and 396,321,348.90 is: 594,482,023.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,321,348.90 : 594,482,023.35 = 396,321,348.90 : x
  2. Step 2: Convert to fraction form
    396,321,348.90/594,482,023.35 = 396,321,348.90/x
  3. Step 3: Cross multiply
    396,321,348.90x = 594,482,023.35 × 396,321,348.90
  4. Step 4: Simplify right side
    396,321,348.90x = 235,605,917,390,873,280
  5. Step 5: Solve for x
    x = 235,605,917,390,873,280/396,321,348.90
  6. Step 6: Final answer
    x = 594,482,023.35

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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.