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Finding the Fourth Proportional to 386,850.60, 580,487.72 and 150,202.62

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Solution

The fourth proportional to 386,850.60, 580,487.72 and 150,202.62 is: 225,386.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,850.60 : 580,487.72 = 150,202.62 : x
  2. Step 2: Convert to fraction form
    386,850.60/580,487.72 = 150,202.62/x
  3. Step 3: Cross multiply
    386,850.60x = 580,487.72 × 150,202.62
  4. Step 4: Simplify right side
    386,850.60x = 87,190,775,670.81
  5. Step 5: Solve for x
    x = 87,190,775,670.81/386,850.60
  6. Step 6: Final answer
    x = 225,386.17

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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.