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Finding the Fourth Proportional to 462,566.28, 638,305.98 and 281,253.04

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Solution

The fourth proportional to 462,566.28, 638,305.98 and 281,253.04 is: 388,107.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,566.28 : 638,305.98 = 281,253.04 : x
  2. Step 2: Convert to fraction form
    462,566.28/638,305.98 = 281,253.04/x
  3. Step 3: Cross multiply
    462,566.28x = 638,305.98 × 281,253.04
  4. Step 4: Simplify right side
    462,566.28x = 179,525,497,325.18
  5. Step 5: Solve for x
    x = 179,525,497,325.18/462,566.28
  6. Step 6: Final answer
    x = 388,107.62

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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.