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Finding the Fourth Proportional to 626,193,758.76, 864,157,794.60 and 343,962,295.96

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Solution

The fourth proportional to 626,193,758.76, 864,157,794.60 and 343,962,295.96 is: 474,673,685.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,193,758.76 : 864,157,794.60 = 343,962,295.96 : x
  2. Step 2: Convert to fraction form
    626,193,758.76/864,157,794.60 = 343,962,295.96/x
  3. Step 3: Cross multiply
    626,193,758.76x = 864,157,794.60 × 343,962,295.96
  4. Step 4: Simplify right side
    626,193,758.76x = 297,237,699,102,346,048
  5. Step 5: Solve for x
    x = 297,237,699,102,346,048/626,193,758.76
  6. Step 6: Final answer
    x = 474,673,685.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.