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Finding the Fourth Proportional to 587,893.59, 881,745.98 and 161,329.79

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Solution

The fourth proportional to 587,893.59, 881,745.98 and 161,329.79 is: 241,968.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,893.59 : 881,745.98 = 161,329.79 : x
  2. Step 2: Convert to fraction form
    587,893.59/881,745.98 = 161,329.79/x
  3. Step 3: Cross multiply
    587,893.59x = 881,745.98 × 161,329.79
  4. Step 4: Simplify right side
    587,893.59x = 142,251,893,786.74
  5. Step 5: Solve for x
    x = 142,251,893,786.74/587,893.59
  6. Step 6: Final answer
    x = 241,968.78

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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.