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Finding the Fourth Proportional to 396,323,129.40, 594,484,694.10 and 396,323,129.40

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Solution

The fourth proportional to 396,323,129.40, 594,484,694.10 and 396,323,129.40 is: 594,484,694.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,323,129.40 : 594,484,694.10 = 396,323,129.40 : x
  2. Step 2: Convert to fraction form
    396,323,129.40/594,484,694.10 = 396,323,129.40/x
  3. Step 3: Cross multiply
    396,323,129.40x = 594,484,694.10 × 396,323,129.40
  4. Step 4: Simplify right side
    396,323,129.40x = 235,608,034,346,113,696
  5. Step 5: Solve for x
    x = 235,608,034,346,113,696/396,323,129.40
  6. Step 6: Final answer
    x = 594,484,694.10

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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.