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Finding the Fourth Proportional to 218,076.60, 327,114.90 and 186,972.60

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Solution

The fourth proportional to 218,076.60, 327,114.90 and 186,972.60 is: 280,458.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,076.60 : 327,114.90 = 186,972.60 : x
  2. Step 2: Convert to fraction form
    218,076.60/327,114.90 = 186,972.60/x
  3. Step 3: Cross multiply
    218,076.60x = 327,114.90 × 186,972.60
  4. Step 4: Simplify right side
    218,076.60x = 61,161,523,351.74
  5. Step 5: Solve for x
    x = 61,161,523,351.74/218,076.60
  6. Step 6: Final answer
    x = 280,458.90

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1.5x scale

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.