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Finding the Fourth Proportional to 367,074.40, 550,611.60 and 353,077.60

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Solution

The fourth proportional to 367,074.40, 550,611.60 and 353,077.60 is: 529,616.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,074.40 : 550,611.60 = 353,077.60 : x
  2. Step 2: Convert to fraction form
    367,074.40/550,611.60 = 353,077.60/x
  3. Step 3: Cross multiply
    367,074.40x = 550,611.60 × 353,077.60
  4. Step 4: Simplify right side
    367,074.40x = 194,408,622,260.16
  5. Step 5: Solve for x
    x = 194,408,622,260.16/367,074.40
  6. Step 6: Final answer
    x = 529,616.40

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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.