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Finding the Fourth Proportional to 275,778.40, 413,230.20 and 182,174.80

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Solution

The fourth proportional to 275,778.40, 413,230.20 and 182,174.80 is: 272,973.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,778.40 : 413,230.20 = 182,174.80 : x
  2. Step 2: Convert to fraction form
    275,778.40/413,230.20 = 182,174.80/x
  3. Step 3: Cross multiply
    275,778.40x = 413,230.20 × 182,174.80
  4. Step 4: Simplify right side
    275,778.40x = 75,280,129,038.96
  5. Step 5: Solve for x
    x = 75,280,129,038.96/275,778.40
  6. Step 6: Final answer
    x = 272,973.26

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1.5x scale

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.