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Finding the Fourth Proportional to 451,191.86, 676,762.86 and 151,641.50

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Solution

The fourth proportional to 451,191.86, 676,762.86 and 151,641.50 is: 227,453.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,191.86 : 676,762.86 = 151,641.50 : x
  2. Step 2: Convert to fraction form
    451,191.86/676,762.86 = 151,641.50/x
  3. Step 3: Cross multiply
    451,191.86x = 676,762.86 × 151,641.50
  4. Step 4: Simplify right side
    451,191.86x = 102,625,335,234.69
  5. Step 5: Solve for x
    x = 102,625,335,234.69/451,191.86
  6. Step 6: Final answer
    x = 227,453.87

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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.