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Finding the Fourth Proportional to 367,076.40, 550,614.60 and 353,079.60

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Solution

The fourth proportional to 367,076.40, 550,614.60 and 353,079.60 is: 529,619.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,076.40 : 550,614.60 = 353,079.60 : x
  2. Step 2: Convert to fraction form
    367,076.40/550,614.60 = 353,079.60/x
  3. Step 3: Cross multiply
    367,076.40x = 550,614.60 × 353,079.60
  4. Step 4: Simplify right side
    367,076.40x = 194,410,782,722.16
  5. Step 5: Solve for x
    x = 194,410,782,722.16/367,076.40
  6. Step 6: Final answer
    x = 529,619.40

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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.