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Finding the Fourth Proportional to 609,277.09, 840,828.65 and 337,344.97

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Solution

The fourth proportional to 609,277.09, 840,828.65 and 337,344.97 is: 465,550.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,277.09 : 840,828.65 = 337,344.97 : x
  2. Step 2: Convert to fraction form
    609,277.09/840,828.65 = 337,344.97/x
  3. Step 3: Cross multiply
    609,277.09x = 840,828.65 × 337,344.97
  4. Step 4: Simplify right side
    609,277.09x = 283,649,315,709.39
  5. Step 5: Solve for x
    x = 283,649,315,709.39/609,277.09
  6. Step 6: Final answer
    x = 465,550.60

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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.