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Finding the Fourth Proportional to 263,062,693.60, 368,892,432.80 and 263,062,693.60

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Solution

The fourth proportional to 263,062,693.60, 368,892,432.80 and 263,062,693.60 is: 368,892,432.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,062,693.60 : 368,892,432.80 = 263,062,693.60 : x
  2. Step 2: Convert to fraction form
    263,062,693.60/368,892,432.80 = 263,062,693.60/x
  3. Step 3: Cross multiply
    263,062,693.60x = 368,892,432.80 × 263,062,693.60
  4. Step 4: Simplify right side
    263,062,693.60x = 97,041,837,021,024,992
  5. Step 5: Solve for x
    x = 97,041,837,021,024,992/263,062,693.60
  6. Step 6: Final answer
    x = 368,892,432.80

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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.