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Finding the Fourth Proportional to 236,221,212.70, 354,331,819.05 and 236,221,212.70

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Solution

The fourth proportional to 236,221,212.70, 354,331,819.05 and 236,221,212.70 is: 354,331,819.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,221,212.70 : 354,331,819.05 = 236,221,212.70 : x
  2. Step 2: Convert to fraction form
    236,221,212.70/354,331,819.05 = 236,221,212.70/x
  3. Step 3: Cross multiply
    236,221,212.70x = 354,331,819.05 × 236,221,212.70
  4. Step 4: Simplify right side
    236,221,212.70x = 83,700,691,994,187,968
  5. Step 5: Solve for x
    x = 83,700,691,994,187,968/236,221,212.70
  6. Step 6: Final answer
    x = 354,331,819.05

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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.