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Finding the Fourth Proportional to 587,289.78, 880,999.11 and 187,836.66

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Solution

The fourth proportional to 587,289.78, 880,999.11 and 187,836.66 is: 281,775.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,289.78 : 880,999.11 = 187,836.66 : x
  2. Step 2: Convert to fraction form
    587,289.78/880,999.11 = 187,836.66/x
  3. Step 3: Cross multiply
    587,289.78x = 880,999.11 × 187,836.66
  4. Step 4: Simplify right side
    587,289.78x = 165,483,930,285.37
  5. Step 5: Solve for x
    x = 165,483,930,285.37/587,289.78
  6. Step 6: Final answer
    x = 281,775.60

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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.