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Finding the Fourth Proportional to 392,110.88, 587,849.67 and 152,100.86

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Solution

The fourth proportional to 392,110.88, 587,849.67 and 152,100.86 is: 228,028.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,110.88 : 587,849.67 = 152,100.86 : x
  2. Step 2: Convert to fraction form
    392,110.88/587,849.67 = 152,100.86/x
  3. Step 3: Cross multiply
    392,110.88x = 587,849.67 × 152,100.86
  4. Step 4: Simplify right side
    392,110.88x = 89,412,437,418.47
  5. Step 5: Solve for x
    x = 89,412,437,418.47/392,110.88
  6. Step 6: Final answer
    x = 228,028.46

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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.