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Finding the Fourth Proportional to 374,963.80, 563,757.90 and 367,090.60

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Solution

The fourth proportional to 374,963.80, 563,757.90 and 367,090.60 is: 551,920.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,963.80 : 563,757.90 = 367,090.60 : x
  2. Step 2: Convert to fraction form
    374,963.80/563,757.90 = 367,090.60/x
  3. Step 3: Cross multiply
    374,963.80x = 563,757.90 × 367,090.60
  4. Step 4: Simplify right side
    374,963.80x = 206,950,225,765.74
  5. Step 5: Solve for x
    x = 206,950,225,765.74/374,963.80
  6. Step 6: Final answer
    x = 551,920.55

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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.