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Finding the Fourth Proportional to 452,992.40, 678,010.04 and 333,017.58

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Solution

The fourth proportional to 452,992.40, 678,010.04 and 333,017.58 is: 498,439.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,992.40 : 678,010.04 = 333,017.58 : x
  2. Step 2: Convert to fraction form
    452,992.40/678,010.04 = 333,017.58/x
  3. Step 3: Cross multiply
    452,992.40x = 678,010.04 × 333,017.58
  4. Step 4: Simplify right side
    452,992.40x = 225,789,262,736.50
  5. Step 5: Solve for x
    x = 225,789,262,736.50/452,992.40
  6. Step 6: Final answer
    x = 498,439.41

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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.