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Finding the Fourth Proportional to 524,504,832.00, 723,797,692.89 and 289,550,447.48

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Solution

The fourth proportional to 524,504,832.00, 723,797,692.89 and 289,550,447.48 is: 399,569,142.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,504,832.00 : 723,797,692.89 = 289,550,447.48 : x
  2. Step 2: Convert to fraction form
    524,504,832.00/723,797,692.89 = 289,550,447.48/x
  3. Step 3: Cross multiply
    524,504,832.00x = 723,797,692.89 × 289,550,447.48
  4. Step 4: Simplify right side
    524,504,832.00x = 209,575,945,862,014,816
  5. Step 5: Solve for x
    x = 209,575,945,862,014,816/524,504,832.00
  6. Step 6: Final answer
    x = 399,569,142.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.