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Finding the Fourth Proportional to 489,052.64, 733,578.96 and 322,801.76

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Solution

The fourth proportional to 489,052.64, 733,578.96 and 322,801.76 is: 484,202.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,052.64 : 733,578.96 = 322,801.76 : x
  2. Step 2: Convert to fraction form
    489,052.64/733,578.96 = 322,801.76/x
  3. Step 3: Cross multiply
    489,052.64x = 733,578.96 × 322,801.76
  4. Step 4: Simplify right side
    489,052.64x = 236,800,579,386.97
  5. Step 5: Solve for x
    x = 236,800,579,386.97/489,052.64
  6. Step 6: Final answer
    x = 484,202.64

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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.