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Finding the Fourth Proportional to 484,044.40, 725,969.40 and 231,324.40

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Solution

The fourth proportional to 484,044.40, 725,969.40 and 231,324.40 is: 346,940.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,044.40 : 725,969.40 = 231,324.40 : x
  2. Step 2: Convert to fraction form
    484,044.40/725,969.40 = 231,324.40/x
  3. Step 3: Cross multiply
    484,044.40x = 725,969.40 × 231,324.40
  4. Step 4: Simplify right side
    484,044.40x = 167,934,435,873.36
  5. Step 5: Solve for x
    x = 167,934,435,873.36/484,044.40
  6. Step 6: Final answer
    x = 346,940.15

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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.