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Finding the Fourth Proportional to 369,025.88, 551,516.92 and 269,395.88

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Solution

The fourth proportional to 369,025.88, 551,516.92 and 269,395.88 is: 402,617.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,025.88 : 551,516.92 = 269,395.88 : x
  2. Step 2: Convert to fraction form
    369,025.88/551,516.92 = 269,395.88/x
  3. Step 3: Cross multiply
    369,025.88x = 551,516.92 × 269,395.88
  4. Step 4: Simplify right side
    369,025.88x = 148,576,385,998.29
  5. Step 5: Solve for x
    x = 148,576,385,998.29/369,025.88
  6. Step 6: Final answer
    x = 402,617.79

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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.