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Finding the Fourth Proportional to 532,237,662.40, 798,356,493.60 and 259,783,211.20

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Solution

The fourth proportional to 532,237,662.40, 798,356,493.60 and 259,783,211.20 is: 389,674,816.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,237,662.40 : 798,356,493.60 = 259,783,211.20 : x
  2. Step 2: Convert to fraction form
    532,237,662.40/798,356,493.60 = 259,783,211.20/x
  3. Step 3: Cross multiply
    532,237,662.40x = 798,356,493.60 × 259,783,211.20
  4. Step 4: Simplify right side
    532,237,662.40x = 207,399,613,589,780,256
  5. Step 5: Solve for x
    x = 207,399,613,589,780,256/532,237,662.40
  6. Step 6: Final answer
    x = 389,674,816.80

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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.