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Finding the Fourth Proportional to 333,351.28, 460,021.20 and 180,386.11

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Solution

The fourth proportional to 333,351.28, 460,021.20 and 180,386.11 is: 248,930.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,351.28 : 460,021.20 = 180,386.11 : x
  2. Step 2: Convert to fraction form
    333,351.28/460,021.20 = 180,386.11/x
  3. Step 3: Cross multiply
    333,351.28x = 460,021.20 × 180,386.11
  4. Step 4: Simplify right side
    333,351.28x = 82,981,434,785.53
  5. Step 5: Solve for x
    x = 82,981,434,785.53/333,351.28
  6. Step 6: Final answer
    x = 248,930.90

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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.