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Finding the Fourth Proportional to 388,301.62, 582,214.58 and 151,367.50

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Solution

The fourth proportional to 388,301.62, 582,214.58 and 151,367.50 is: 226,958.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,301.62 : 582,214.58 = 151,367.50 : x
  2. Step 2: Convert to fraction form
    388,301.62/582,214.58 = 151,367.50/x
  3. Step 3: Cross multiply
    388,301.62x = 582,214.58 × 151,367.50
  4. Step 4: Simplify right side
    388,301.62x = 88,128,365,438.15
  5. Step 5: Solve for x
    x = 88,128,365,438.15/388,301.62
  6. Step 6: Final answer
    x = 226,958.53

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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.