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Finding the Fourth Proportional to 367,071.40, 550,607.10 and 353,074.60

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Solution

The fourth proportional to 367,071.40, 550,607.10 and 353,074.60 is: 529,611.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,071.40 : 550,607.10 = 353,074.60 : x
  2. Step 2: Convert to fraction form
    367,071.40/550,607.10 = 353,074.60/x
  3. Step 3: Cross multiply
    367,071.40x = 550,607.10 × 353,074.60
  4. Step 4: Simplify right side
    367,071.40x = 194,405,381,589.66
  5. Step 5: Solve for x
    x = 194,405,381,589.66/367,071.40
  6. Step 6: Final answer
    x = 529,611.90

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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.