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Finding the Fourth Proportional to 572,847.75, 789,877.68 and 365,837.27

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Solution

The fourth proportional to 572,847.75, 789,877.68 and 365,837.27 is: 504,438.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,847.75 : 789,877.68 = 365,837.27 : x
  2. Step 2: Convert to fraction form
    572,847.75/789,877.68 = 365,837.27/x
  3. Step 3: Cross multiply
    572,847.75x = 789,877.68 × 365,837.27
  4. Step 4: Simplify right side
    572,847.75x = 288,966,690,135.75
  5. Step 5: Solve for x
    x = 288,966,690,135.75/572,847.75
  6. Step 6: Final answer
    x = 504,438.90

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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.