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Finding the Fourth Proportional to 322,528.20, 483,389.10 and 164,819.40

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Solution

The fourth proportional to 322,528.20, 483,389.10 and 164,819.40 is: 247,023.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,528.20 : 483,389.10 = 164,819.40 : x
  2. Step 2: Convert to fraction form
    322,528.20/483,389.10 = 164,819.40/x
  3. Step 3: Cross multiply
    322,528.20x = 483,389.10 × 164,819.40
  4. Step 4: Simplify right side
    322,528.20x = 79,671,901,428.54
  5. Step 5: Solve for x
    x = 79,671,901,428.54/322,528.20
  6. Step 6: Final answer
    x = 247,023.06

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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.