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Finding the Fourth Proportional to 392,328.51, 587,750.00 and 231,924.21

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Solution

The fourth proportional to 392,328.51, 587,750.00 and 231,924.21 is: 347,447.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,328.51 : 587,750.00 = 231,924.21 : x
  2. Step 2: Convert to fraction form
    392,328.51/587,750.00 = 231,924.21/x
  3. Step 3: Cross multiply
    392,328.51x = 587,750.00 × 231,924.21
  4. Step 4: Simplify right side
    392,328.51x = 136,313,453,267.88
  5. Step 5: Solve for x
    x = 136,313,453,267.88/392,328.51
  6. Step 6: Final answer
    x = 347,447.23

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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.