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Finding the Fourth Proportional to 243,669,657.15, 365,504,485.73 and 243,669,657.15

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Solution

The fourth proportional to 243,669,657.15, 365,504,485.73 and 243,669,657.15 is: 365,504,485.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,669,657.15 : 365,504,485.73 = 243,669,657.15 : x
  2. Step 2: Convert to fraction form
    243,669,657.15/365,504,485.73 = 243,669,657.15/x
  3. Step 3: Cross multiply
    243,669,657.15x = 365,504,485.73 × 243,669,657.15
  4. Step 4: Simplify right side
    243,669,657.15x = 89,062,352,723,397,824
  5. Step 5: Solve for x
    x = 89,062,352,723,397,824/243,669,657.15
  6. Step 6: Final answer
    x = 365,504,485.73

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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.