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Finding the Fourth Proportional to 263,063,042.60, 368,892,921.40 and 263,063,042.60

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Solution

The fourth proportional to 263,063,042.60, 368,892,921.40 and 263,063,042.60 is: 368,892,921.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,063,042.60 : 368,892,921.40 = 263,063,042.60 : x
  2. Step 2: Convert to fraction form
    263,063,042.60/368,892,921.40 = 263,063,042.60/x
  3. Step 3: Cross multiply
    263,063,042.60x = 368,892,921.40 × 263,063,042.60
  4. Step 4: Simplify right side
    263,063,042.60x = 97,042,094,297,086,640
  5. Step 5: Solve for x
    x = 97,042,094,297,086,640/263,063,042.60
  6. Step 6: Final answer
    x = 368,892,921.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.