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Finding the Fourth Proportional to 326,818.53, 490,228.18 and 102,180.14

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Solution

The fourth proportional to 326,818.53, 490,228.18 and 102,180.14 is: 153,270.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,818.53 : 490,228.18 = 102,180.14 : x
  2. Step 2: Convert to fraction form
    326,818.53/490,228.18 = 102,180.14/x
  3. Step 3: Cross multiply
    326,818.53x = 490,228.18 × 102,180.14
  4. Step 4: Simplify right side
    326,818.53x = 50,091,585,451.14
  5. Step 5: Solve for x
    x = 50,091,585,451.14/326,818.53
  6. Step 6: Final answer
    x = 153,270.33

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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.