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Finding the Fourth Proportional to 219,744.40, 329,616.60 and 219,744.40

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Solution

The fourth proportional to 219,744.40, 329,616.60 and 219,744.40 is: 329,616.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,744.40 : 329,616.60 = 219,744.40 : x
  2. Step 2: Convert to fraction form
    219,744.40/329,616.60 = 219,744.40/x
  3. Step 3: Cross multiply
    219,744.40x = 329,616.60 × 219,744.40
  4. Step 4: Simplify right side
    219,744.40x = 72,431,401,997.04
  5. Step 5: Solve for x
    x = 72,431,401,997.04/219,744.40
  6. Step 6: Final answer
    x = 329,616.60

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1.5x scale

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.