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Finding the Fourth Proportional to 325,053.44, 486,180.48 and 289,283.84

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Solution

The fourth proportional to 325,053.44, 486,180.48 and 289,283.84 is: 432,680.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,053.44 : 486,180.48 = 289,283.84 : x
  2. Step 2: Convert to fraction form
    325,053.44/486,180.48 = 289,283.84/x
  3. Step 3: Cross multiply
    325,053.44x = 486,180.48 × 289,283.84
  4. Step 4: Simplify right side
    325,053.44x = 140,644,156,187.44
  5. Step 5: Solve for x
    x = 140,644,156,187.44/325,053.44
  6. Step 6: Final answer
    x = 432,680.10

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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.