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Finding the Fourth Proportional to 444,963.36, 614,041.20 and 243,757.92

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Solution

The fourth proportional to 444,963.36, 614,041.20 and 243,757.92 is: 336,381.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,963.36 : 614,041.20 = 243,757.92 : x
  2. Step 2: Convert to fraction form
    444,963.36/614,041.20 = 243,757.92/x
  3. Step 3: Cross multiply
    444,963.36x = 614,041.20 × 243,757.92
  4. Step 4: Simplify right side
    444,963.36x = 149,677,405,706.30
  5. Step 5: Solve for x
    x = 149,677,405,706.30/444,963.36
  6. Step 6: Final answer
    x = 336,381.42

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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.