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Finding the Fourth Proportional to 337,700.89, 463,586.87 and 289,871.20

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Solution

The fourth proportional to 337,700.89, 463,586.87 and 289,871.20 is: 397,927.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,700.89 : 463,586.87 = 289,871.20 : x
  2. Step 2: Convert to fraction form
    337,700.89/463,586.87 = 289,871.20/x
  3. Step 3: Cross multiply
    337,700.89x = 463,586.87 × 289,871.20
  4. Step 4: Simplify right side
    337,700.89x = 134,380,482,311.14
  5. Step 5: Solve for x
    x = 134,380,482,311.14/337,700.89
  6. Step 6: Final answer
    x = 397,927.53

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.