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Finding the Fourth Proportional to 609,871.35, 841,609.89 and 337,936.86

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Solution

The fourth proportional to 609,871.35, 841,609.89 and 337,936.86 is: 466,345.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,871.35 : 841,609.89 = 337,936.86 : x
  2. Step 2: Convert to fraction form
    609,871.35/841,609.89 = 337,936.86/x
  3. Step 3: Cross multiply
    609,871.35x = 841,609.89 × 337,936.86
  4. Step 4: Simplify right side
    609,871.35x = 284,411,003,571.55
  5. Step 5: Solve for x
    x = 284,411,003,571.55/609,871.35
  6. Step 6: Final answer
    x = 466,345.90

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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.