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Finding the Fourth Proportional to 330,048.60, 495,267.30 and 218,052.60

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Solution

The fourth proportional to 330,048.60, 495,267.30 and 218,052.60 is: 327,207.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,048.60 : 495,267.30 = 218,052.60 : x
  2. Step 2: Convert to fraction form
    330,048.60/495,267.30 = 218,052.60/x
  3. Step 3: Cross multiply
    330,048.60x = 495,267.30 × 218,052.60
  4. Step 4: Simplify right side
    330,048.60x = 107,994,322,459.98
  5. Step 5: Solve for x
    x = 107,994,322,459.98/330,048.60
  6. Step 6: Final answer
    x = 327,207.33

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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.