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Finding the Fourth Proportional to 550,553.68, 825,563.22 and 322,911.28

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Solution

The fourth proportional to 550,553.68, 825,563.22 and 322,911.28 is: 484,210.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,553.68 : 825,563.22 = 322,911.28 : x
  2. Step 2: Convert to fraction form
    550,553.68/825,563.22 = 322,911.28/x
  3. Step 3: Cross multiply
    550,553.68x = 825,563.22 × 322,911.28
  4. Step 4: Simplify right side
    550,553.68x = 266,583,676,091.12
  5. Step 5: Solve for x
    x = 266,583,676,091.12/550,553.68
  6. Step 6: Final answer
    x = 484,210.14

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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.