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Finding the Fourth Proportional to 259,190.01, 357,728.00 and 205,881.89

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Solution

The fourth proportional to 259,190.01, 357,728.00 and 205,881.89 is: 284,153.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,190.01 : 357,728.00 = 205,881.89 : x
  2. Step 2: Convert to fraction form
    259,190.01/357,728.00 = 205,881.89/x
  3. Step 3: Cross multiply
    259,190.01x = 357,728.00 × 205,881.89
  4. Step 4: Simplify right side
    259,190.01x = 73,649,713,927.87
  5. Step 5: Solve for x
    x = 73,649,713,927.87/259,190.01
  6. Step 6: Final answer
    x = 284,153.37

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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.