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Finding the Fourth Proportional to 396,730,103.40, 595,095,155.10 and 396,730,103.40

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Solution

The fourth proportional to 396,730,103.40, 595,095,155.10 and 396,730,103.40 is: 595,095,155.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,730,103.40 : 595,095,155.10 = 396,730,103.40 : x
  2. Step 2: Convert to fraction form
    396,730,103.40/595,095,155.10 = 396,730,103.40/x
  3. Step 3: Cross multiply
    396,730,103.40x = 595,095,155.10 × 396,730,103.40
  4. Step 4: Simplify right side
    396,730,103.40x = 236,092,162,415,662,048
  5. Step 5: Solve for x
    x = 236,092,162,415,662,048/396,730,103.40
  6. Step 6: Final answer
    x = 595,095,155.10

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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.