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Finding the Fourth Proportional to 480,713.54, 663,310.98 and 276,725.04

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Solution

The fourth proportional to 480,713.54, 663,310.98 and 276,725.04 is: 381,838.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,713.54 : 663,310.98 = 276,725.04 : x
  2. Step 2: Convert to fraction form
    480,713.54/663,310.98 = 276,725.04/x
  3. Step 3: Cross multiply
    480,713.54x = 663,310.98 × 276,725.04
  4. Step 4: Simplify right side
    480,713.54x = 183,554,757,472.94
  5. Step 5: Solve for x
    x = 183,554,757,472.94/480,713.54
  6. Step 6: Final answer
    x = 381,838.13

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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.