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Finding the Fourth Proportional to 367,611.60, 550,688.40 and 323,774.40

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Solution

The fourth proportional to 367,611.60, 550,688.40 and 323,774.40 is: 485,019.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,611.60 : 550,688.40 = 323,774.40 : x
  2. Step 2: Convert to fraction form
    367,611.60/550,688.40 = 323,774.40/x
  3. Step 3: Cross multiply
    367,611.60x = 550,688.40 × 323,774.40
  4. Step 4: Simplify right side
    367,611.60x = 178,298,806,296.96
  5. Step 5: Solve for x
    x = 178,298,806,296.96/367,611.60
  6. Step 6: Final answer
    x = 485,019.53

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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.