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Finding the Fourth Proportional to 479,409.66, 718,927.56 and 179,726.70

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Solution

The fourth proportional to 479,409.66, 718,927.56 and 179,726.70 is: 269,519.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,409.66 : 718,927.56 = 179,726.70 : x
  2. Step 2: Convert to fraction form
    479,409.66/718,927.56 = 179,726.70/x
  3. Step 3: Cross multiply
    479,409.66x = 718,927.56 × 179,726.70
  4. Step 4: Simplify right side
    479,409.66x = 129,210,477,897.85
  5. Step 5: Solve for x
    x = 129,210,477,897.85/479,409.66
  6. Step 6: Final answer
    x = 269,519.97

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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.