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Finding the Fourth Proportional to 303,721.65, 455,582.48 and 244,672.65

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Solution

The fourth proportional to 303,721.65, 455,582.48 and 244,672.65 is: 367,008.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,721.65 : 455,582.48 = 244,672.65 : x
  2. Step 2: Convert to fraction form
    303,721.65/455,582.48 = 244,672.65/x
  3. Step 3: Cross multiply
    303,721.65x = 455,582.48 × 244,672.65
  4. Step 4: Simplify right side
    303,721.65x = 111,468,571,451.81
  5. Step 5: Solve for x
    x = 111,468,571,451.81/303,721.65
  6. Step 6: Final answer
    x = 367,008.98

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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.