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Finding the Fourth Proportional to 261,953,998.20, 367,273,074.60 and 261,953,998.20

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Solution

The fourth proportional to 261,953,998.20, 367,273,074.60 and 261,953,998.20 is: 367,273,074.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,953,998.20 : 367,273,074.60 = 261,953,998.20 : x
  2. Step 2: Convert to fraction form
    261,953,998.20/367,273,074.60 = 261,953,998.20/x
  3. Step 3: Cross multiply
    261,953,998.20x = 367,273,074.60 × 261,953,998.20
  4. Step 4: Simplify right side
    261,953,998.20x = 96,208,650,322,676,864
  5. Step 5: Solve for x
    x = 96,208,650,322,676,864/261,953,998.20
  6. Step 6: Final answer
    x = 367,273,074.60

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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.