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Finding the Fourth Proportional to 550,103.40, 825,300.90 and 195,080.40

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Solution

The fourth proportional to 550,103.40, 825,300.90 and 195,080.40 is: 292,672.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,103.40 : 825,300.90 = 195,080.40 : x
  2. Step 2: Convert to fraction form
    550,103.40/825,300.90 = 195,080.40/x
  3. Step 3: Cross multiply
    550,103.40x = 825,300.90 × 195,080.40
  4. Step 4: Simplify right side
    550,103.40x = 161,000,029,692.36
  5. Step 5: Solve for x
    x = 161,000,029,692.36/550,103.40
  6. Step 6: Final answer
    x = 292,672.30

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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.