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Finding the Fourth Proportional to 682,578.35, 941,957.40 and 376,654.64

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Solution

The fourth proportional to 682,578.35, 941,957.40 and 376,654.64 is: 519,783.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,578.35 : 941,957.40 = 376,654.64 : x
  2. Step 2: Convert to fraction form
    682,578.35/941,957.40 = 376,654.64/x
  3. Step 3: Cross multiply
    682,578.35x = 941,957.40 × 376,654.64
  4. Step 4: Simplify right side
    682,578.35x = 354,792,620,682.55
  5. Step 5: Solve for x
    x = 354,792,620,682.55/682,578.35
  6. Step 6: Final answer
    x = 519,783.00

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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.