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Finding the Fourth Proportional to 295,229.92, 440,559.64 and 263,726.56

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Solution

The fourth proportional to 295,229.92, 440,559.64 and 263,726.56 is: 393,548.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,229.92 : 440,559.64 = 263,726.56 : x
  2. Step 2: Convert to fraction form
    295,229.92/440,559.64 = 263,726.56/x
  3. Step 3: Cross multiply
    295,229.92x = 440,559.64 × 263,726.56
  4. Step 4: Simplify right side
    295,229.92x = 116,187,278,332.04
  5. Step 5: Solve for x
    x = 116,187,278,332.04/295,229.92
  6. Step 6: Final answer
    x = 393,548.45

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.