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Finding the Fourth Proportional to 303,137.67, 454,706.46 and 170,028.30

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Solution

The fourth proportional to 303,137.67, 454,706.46 and 170,028.30 is: 255,042.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,137.67 : 454,706.46 = 170,028.30 : x
  2. Step 2: Convert to fraction form
    303,137.67/454,706.46 = 170,028.30/x
  3. Step 3: Cross multiply
    303,137.67x = 454,706.46 × 170,028.30
  4. Step 4: Simplify right side
    303,137.67x = 77,312,966,392.82
  5. Step 5: Solve for x
    x = 77,312,966,392.82/303,137.67
  6. Step 6: Final answer
    x = 255,042.42

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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.