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Finding the Fourth Proportional to 367,989.49, 551,804.31 and 151,807.96

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Solution

The fourth proportional to 367,989.49, 551,804.31 and 151,807.96 is: 227,637.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,989.49 : 551,804.31 = 151,807.96 : x
  2. Step 2: Convert to fraction form
    367,989.49/551,804.31 = 151,807.96/x
  3. Step 3: Cross multiply
    367,989.49x = 551,804.31 × 151,807.96
  4. Step 4: Simplify right side
    367,989.49x = 83,768,286,620.31
  5. Step 5: Solve for x
    x = 83,768,286,620.31/367,989.49
  6. Step 6: Final answer
    x = 227,637.71

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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.