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Finding the Fourth Proportional to 361,794.80, 542,692.20 and 151,410.80

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Solution

The fourth proportional to 361,794.80, 542,692.20 and 151,410.80 is: 227,116.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,794.80 : 542,692.20 = 151,410.80 : x
  2. Step 2: Convert to fraction form
    361,794.80/542,692.20 = 151,410.80/x
  3. Step 3: Cross multiply
    361,794.80x = 542,692.20 × 151,410.80
  4. Step 4: Simplify right side
    361,794.80x = 82,169,460,155.76
  5. Step 5: Solve for x
    x = 82,169,460,155.76/361,794.80
  6. Step 6: Final answer
    x = 227,116.20

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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.