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Finding the Fourth Proportional to 323,020.10, 445,763.25 and 179,780.18

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Solution

The fourth proportional to 323,020.10, 445,763.25 and 179,780.18 is: 248,094.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,020.10 : 445,763.25 = 179,780.18 : x
  2. Step 2: Convert to fraction form
    323,020.10/445,763.25 = 179,780.18/x
  3. Step 3: Cross multiply
    323,020.10x = 445,763.25 × 179,780.18
  4. Step 4: Simplify right side
    323,020.10x = 80,139,395,093.57
  5. Step 5: Solve for x
    x = 80,139,395,093.57/323,020.10
  6. Step 6: Final answer
    x = 248,094.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.