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Finding the Fourth Proportional to 220,848.60, 330,616.80 and 220,848.60

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Solution

The fourth proportional to 220,848.60, 330,616.80 and 220,848.60 is: 330,616.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,848.60 : 330,616.80 = 220,848.60 : x
  2. Step 2: Convert to fraction form
    220,848.60/330,616.80 = 220,848.60/x
  3. Step 3: Cross multiply
    220,848.60x = 330,616.80 × 220,848.60
  4. Step 4: Simplify right side
    220,848.60x = 73,016,257,416.48
  5. Step 5: Solve for x
    x = 73,016,257,416.48/220,848.60
  6. Step 6: Final answer
    x = 330,616.80

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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.