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Finding the Fourth Proportional to 322,511.70, 483,537.15 and 144,873.30

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Solution

The fourth proportional to 322,511.70, 483,537.15 and 144,873.30 is: 217,206.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,511.70 : 483,537.15 = 144,873.30 : x
  2. Step 2: Convert to fraction form
    322,511.70/483,537.15 = 144,873.30/x
  3. Step 3: Cross multiply
    322,511.70x = 483,537.15 × 144,873.30
  4. Step 4: Simplify right side
    322,511.70x = 70,051,622,593.10
  5. Step 5: Solve for x
    x = 70,051,622,593.10/322,511.70
  6. Step 6: Final answer
    x = 217,206.45

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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.