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Finding the Fourth Proportional to 452,006.73, 678,010.11 and 352,241.61

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Solution

The fourth proportional to 452,006.73, 678,010.11 and 352,241.61 is: 528,362.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,006.73 : 678,010.11 = 352,241.61 : x
  2. Step 2: Convert to fraction form
    452,006.73/678,010.11 = 352,241.61/x
  3. Step 3: Cross multiply
    452,006.73x = 678,010.11 × 352,241.61
  4. Step 4: Simplify right side
    452,006.73x = 238,823,372,742.68
  5. Step 5: Solve for x
    x = 238,823,372,742.68/452,006.73
  6. Step 6: Final answer
    x = 528,362.43

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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.