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Finding the Fourth Proportional to 587,131.16, 880,695.12 and 166,410.68

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Solution

The fourth proportional to 587,131.16, 880,695.12 and 166,410.68 is: 249,615.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,131.16 : 880,695.12 = 166,410.68 : x
  2. Step 2: Convert to fraction form
    587,131.16/880,695.12 = 166,410.68/x
  3. Step 3: Cross multiply
    587,131.16x = 880,695.12 × 166,410.68
  4. Step 4: Simplify right side
    587,131.16x = 146,557,073,791.88
  5. Step 5: Solve for x
    x = 146,557,073,791.88/587,131.16
  6. Step 6: Final answer
    x = 249,615.56

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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.