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Finding the Fourth Proportional to 380,560.68, 570,791.82 and 181,007.87

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Solution

The fourth proportional to 380,560.68, 570,791.82 and 181,007.87 is: 271,488.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,560.68 : 570,791.82 = 181,007.87 : x
  2. Step 2: Convert to fraction form
    380,560.68/570,791.82 = 181,007.87/x
  3. Step 3: Cross multiply
    380,560.68x = 570,791.82 × 181,007.87
  4. Step 4: Simplify right side
    380,560.68x = 103,317,808,697.66
  5. Step 5: Solve for x
    x = 103,317,808,697.66/380,560.68
  6. Step 6: Final answer
    x = 271,488.40

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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.