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Finding the Fourth Proportional to 482,521.38, 723,782.09 and 330,568.62

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Solution

The fourth proportional to 482,521.38, 723,782.09 and 330,568.62 is: 495,852.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,521.38 : 723,782.09 = 330,568.62 : x
  2. Step 2: Convert to fraction form
    482,521.38/723,782.09 = 330,568.62/x
  3. Step 3: Cross multiply
    482,521.38x = 723,782.09 × 330,568.62
  4. Step 4: Simplify right side
    482,521.38x = 239,259,646,672.02
  5. Step 5: Solve for x
    x = 239,259,646,672.02/482,521.38
  6. Step 6: Final answer
    x = 495,852.94

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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.