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Finding the Fourth Proportional to 609,903.79, 841,672.17 and 337,976.24

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Solution

The fourth proportional to 609,903.79, 841,672.17 and 337,976.24 is: 466,409.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,903.79 : 841,672.17 = 337,976.24 : x
  2. Step 2: Convert to fraction form
    609,903.79/841,672.17 = 337,976.24/x
  3. Step 3: Cross multiply
    609,903.79x = 841,672.17 × 337,976.24
  4. Step 4: Simplify right side
    609,903.79x = 284,465,191,120.88
  5. Step 5: Solve for x
    x = 284,465,191,120.88/609,903.79
  6. Step 6: Final answer
    x = 466,409.94

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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.