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Finding the Fourth Proportional to 445,726.41, 614,952.86 and 254,604.48

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Solution

The fourth proportional to 445,726.41, 614,952.86 and 254,604.48 is: 351,268.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,726.41 : 614,952.86 = 254,604.48 : x
  2. Step 2: Convert to fraction form
    445,726.41/614,952.86 = 254,604.48/x
  3. Step 3: Cross multiply
    445,726.41x = 614,952.86 × 254,604.48
  4. Step 4: Simplify right side
    445,726.41x = 156,569,751,871.79
  5. Step 5: Solve for x
    x = 156,569,751,871.79/445,726.41
  6. Step 6: Final answer
    x = 351,268.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.