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Finding the Fourth Proportional to 446,540.80, 669,616.80 and 146,905.60

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Solution

The fourth proportional to 446,540.80, 669,616.80 and 146,905.60 is: 220,294.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,540.80 : 669,616.80 = 146,905.60 : x
  2. Step 2: Convert to fraction form
    446,540.80/669,616.80 = 146,905.60/x
  3. Step 3: Cross multiply
    446,540.80x = 669,616.80 × 146,905.60
  4. Step 4: Simplify right side
    446,540.80x = 98,370,457,774.08
  5. Step 5: Solve for x
    x = 98,370,457,774.08/446,540.80
  6. Step 6: Final answer
    x = 220,294.45

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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.