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Finding the Fourth Proportional to 389,859.56, 584,604.98 and 179,435.24

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Solution

The fourth proportional to 389,859.56, 584,604.98 and 179,435.24 is: 269,068.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,859.56 : 584,604.98 = 179,435.24 : x
  2. Step 2: Convert to fraction form
    389,859.56/584,604.98 = 179,435.24/x
  3. Step 3: Cross multiply
    389,859.56x = 584,604.98 × 179,435.24
  4. Step 4: Simplify right side
    389,859.56x = 104,898,734,891.50
  5. Step 5: Solve for x
    x = 104,898,734,891.50/389,859.56
  6. Step 6: Final answer
    x = 269,068.01

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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.