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Finding the Fourth Proportional to 587,338.02, 881,071 and 187,884.90

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Solution

The fourth proportional to 587,338.02, 881,071 and 187,884.90 is: 281,847.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,338.02 : 881,071 = 187,884.90 : x
  2. Step 2: Convert to fraction form
    587,338.02/881,071 = 187,884.90/x
  3. Step 3: Cross multiply
    587,338.02x = 881,071 × 187,884.90
  4. Step 4: Simplify right side
    587,338.02x = 165,539,936,727.90
  5. Step 5: Solve for x
    x = 165,539,936,727.90/587,338.02
  6. Step 6: Final answer
    x = 281,847.81

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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.