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Finding the Fourth Proportional to 374,959.80, 563,751.90 and 367,086.60

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Solution

The fourth proportional to 374,959.80, 563,751.90 and 367,086.60 is: 551,914.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,959.80 : 563,751.90 = 367,086.60 : x
  2. Step 2: Convert to fraction form
    374,959.80/563,751.90 = 367,086.60/x
  3. Step 3: Cross multiply
    374,959.80x = 563,751.90 × 367,086.60
  4. Step 4: Simplify right side
    374,959.80x = 206,945,768,214.54
  5. Step 5: Solve for x
    x = 206,945,768,214.54/374,959.80
  6. Step 6: Final answer
    x = 551,914.55

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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.