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Finding the Fourth Proportional to 609,409.89, 840,975.30 and 337,471.92

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Solution

The fourth proportional to 609,409.89, 840,975.30 and 337,471.92 is: 465,705.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,409.89 : 840,975.30 = 337,471.92 : x
  2. Step 2: Convert to fraction form
    609,409.89/840,975.30 = 337,471.92/x
  3. Step 3: Cross multiply
    609,409.89x = 840,975.30 × 337,471.92
  4. Step 4: Simplify right side
    609,409.89x = 283,805,549,163.58
  5. Step 5: Solve for x
    x = 283,805,549,163.58/609,409.89
  6. Step 6: Final answer
    x = 465,705.52

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1.5x scale

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.