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Finding the Fourth Proportional to 479,417.67, 718,939.53 and 179,734.95

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Solution

The fourth proportional to 479,417.67, 718,939.53 and 179,734.95 is: 269,532.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,417.67 : 718,939.53 = 179,734.95 : x
  2. Step 2: Convert to fraction form
    479,417.67/718,939.53 = 179,734.95/x
  3. Step 3: Cross multiply
    479,417.67x = 718,939.53 × 179,734.95
  4. Step 4: Simplify right side
    479,417.67x = 129,218,560,477.57
  5. Step 5: Solve for x
    x = 129,218,560,477.57/479,417.67
  6. Step 6: Final answer
    x = 269,532.33

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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.