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Finding the Fourth Proportional to 332,496.90, 498,810.15 and 132,783.30

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Solution

The fourth proportional to 332,496.90, 498,810.15 and 132,783.30 is: 199,200.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,496.90 : 498,810.15 = 132,783.30 : x
  2. Step 2: Convert to fraction form
    332,496.90/498,810.15 = 132,783.30/x
  3. Step 3: Cross multiply
    332,496.90x = 498,810.15 × 132,783.30
  4. Step 4: Simplify right side
    332,496.90x = 66,233,657,790.50
  5. Step 5: Solve for x
    x = 66,233,657,790.50/332,496.90
  6. Step 6: Final answer
    x = 199,200.83

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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.