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Finding the Fourth Proportional to 489,322.30, 733,983.45 and 489,322.30

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Solution

The fourth proportional to 489,322.30, 733,983.45 and 489,322.30 is: 733,983.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,322.30 : 733,983.45 = 489,322.30 : x
  2. Step 2: Convert to fraction form
    489,322.30/733,983.45 = 489,322.30/x
  3. Step 3: Cross multiply
    489,322.30x = 733,983.45 × 489,322.30
  4. Step 4: Simplify right side
    489,322.30x = 359,154,469,915.94
  5. Step 5: Solve for x
    x = 359,154,469,915.94/489,322.30
  6. Step 6: Final answer
    x = 733,983.45

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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.