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Finding the Fourth Proportional to 198,193,622.90, 297,290,434.35 and 198,193,622.90

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Solution

The fourth proportional to 198,193,622.90, 297,290,434.35 and 198,193,622.90 is: 297,290,434.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,193,622.90 : 297,290,434.35 = 198,193,622.90 : x
  2. Step 2: Convert to fraction form
    198,193,622.90/297,290,434.35 = 198,193,622.90/x
  3. Step 3: Cross multiply
    198,193,622.90x = 297,290,434.35 × 198,193,622.90
  4. Step 4: Simplify right side
    198,193,622.90x = 58,921,068,237,341,112
  5. Step 5: Solve for x
    x = 58,921,068,237,341,112/198,193,622.90
  6. Step 6: Final answer
    x = 297,290,434.35

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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.