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Finding the Fourth Proportional to 452,468.88, 678,800.88 and 132,647.04

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Solution

The fourth proportional to 452,468.88, 678,800.88 and 132,647.04 is: 198,999.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,468.88 : 678,800.88 = 132,647.04 : x
  2. Step 2: Convert to fraction form
    452,468.88/678,800.88 = 132,647.04/x
  3. Step 3: Cross multiply
    452,468.88x = 678,800.88 × 132,647.04
  4. Step 4: Simplify right side
    452,468.88x = 90,040,927,481.40
  5. Step 5: Solve for x
    x = 90,040,927,481.40/452,468.88
  6. Step 6: Final answer
    x = 198,999.16

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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.