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Finding the Fourth Proportional to 609,350.34, 840,893.21 and 337,412.40

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Solution

The fourth proportional to 609,350.34, 840,893.21 and 337,412.40 is: 465,623.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,350.34 : 840,893.21 = 337,412.40 : x
  2. Step 2: Convert to fraction form
    609,350.34/840,893.21 = 337,412.40/x
  3. Step 3: Cross multiply
    609,350.34x = 840,893.21 × 337,412.40
  4. Step 4: Simplify right side
    609,350.34x = 283,727,792,554.69
  5. Step 5: Solve for x
    x = 283,727,792,554.69/609,350.34
  6. Step 6: Final answer
    x = 465,623.42

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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.