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Finding the Fourth Proportional to 580,787.50, 801,139.26 and 365,553.90

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Solution

The fourth proportional to 580,787.50, 801,139.26 and 365,553.90 is: 504,245.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,787.50 : 801,139.26 = 365,553.90 : x
  2. Step 2: Convert to fraction form
    580,787.50/801,139.26 = 365,553.90/x
  3. Step 3: Cross multiply
    580,787.50x = 801,139.26 × 365,553.90
  4. Step 4: Simplify right side
    580,787.50x = 292,859,580,936.11
  5. Step 5: Solve for x
    x = 292,859,580,936.11/580,787.50
  6. Step 6: Final answer
    x = 504,245.67

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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.