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Finding the Fourth Proportional to 365,881.50, 504,903.78 and 202,545.10

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Solution

The fourth proportional to 365,881.50, 504,903.78 and 202,545.10 is: 279,505.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,881.50 : 504,903.78 = 202,545.10 : x
  2. Step 2: Convert to fraction form
    365,881.50/504,903.78 = 202,545.10/x
  3. Step 3: Cross multiply
    365,881.50x = 504,903.78 × 202,545.10
  4. Step 4: Simplify right side
    365,881.50x = 102,265,786,610.48
  5. Step 5: Solve for x
    x = 102,265,786,610.48/365,881.50
  6. Step 6: Final answer
    x = 279,505.21

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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.