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Finding the Fourth Proportional to 609,905.57, 841,674.65 and 337,978.04

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Solution

The fourth proportional to 609,905.57, 841,674.65 and 337,978.04 is: 466,412.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,905.57 : 841,674.65 = 337,978.04 : x
  2. Step 2: Convert to fraction form
    609,905.57/841,674.65 = 337,978.04/x
  3. Step 3: Cross multiply
    609,905.57x = 841,674.65 × 337,978.04
  4. Step 4: Simplify right side
    609,905.57x = 284,467,542,626.42
  5. Step 5: Solve for x
    x = 284,467,542,626.42/609,905.57
  6. Step 6: Final answer
    x = 466,412.44

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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.