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Finding the Fourth Proportional to 445,859.15, 668,810.67 and 179,583.67

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Solution

The fourth proportional to 445,859.15, 668,810.67 and 179,583.67 is: 269,384.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,859.15 : 668,810.67 = 179,583.67 : x
  2. Step 2: Convert to fraction form
    445,859.15/668,810.67 = 179,583.67/x
  3. Step 3: Cross multiply
    445,859.15x = 668,810.67 × 179,583.67
  4. Step 4: Simplify right side
    445,859.15x = 120,107,472,308.29
  5. Step 5: Solve for x
    x = 120,107,472,308.29/445,859.15
  6. Step 6: Final answer
    x = 269,384.34

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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.