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Finding the Fourth Proportional to 544,593.60, 816,782.40 and 517,588.80

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Solution

The fourth proportional to 544,593.60, 816,782.40 and 517,588.80 is: 776,280.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,593.60 : 816,782.40 = 517,588.80 : x
  2. Step 2: Convert to fraction form
    544,593.60/816,782.40 = 517,588.80/x
  3. Step 3: Cross multiply
    544,593.60x = 816,782.40 × 517,588.80
  4. Step 4: Simplify right side
    544,593.60x = 422,757,422,277.12
  5. Step 5: Solve for x
    x = 422,757,422,277.12/544,593.60
  6. Step 6: Final answer
    x = 776,280.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.