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Finding the Fourth Proportional to 624,416.25, 861,692.81 and 337,936.26

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Solution

The fourth proportional to 624,416.25, 861,692.81 and 337,936.26 is: 466,351.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,416.25 : 861,692.81 = 337,936.26 : x
  2. Step 2: Convert to fraction form
    624,416.25/861,692.81 = 337,936.26/x
  3. Step 3: Cross multiply
    624,416.25x = 861,692.81 × 337,936.26
  4. Step 4: Simplify right side
    624,416.25x = 291,197,243,790.61
  5. Step 5: Solve for x
    x = 291,197,243,790.61/624,416.25
  6. Step 6: Final answer
    x = 466,351.16

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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.