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Finding the Fourth Proportional to 365,750.40, 548,388.80 and 155,331.20

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Solution

The fourth proportional to 365,750.40, 548,388.80 and 155,331.20 is: 232,896.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,750.40 : 548,388.80 = 155,331.20 : x
  2. Step 2: Convert to fraction form
    365,750.40/548,388.80 = 155,331.20/x
  3. Step 3: Cross multiply
    365,750.40x = 548,388.80 × 155,331.20
  4. Step 4: Simplify right side
    365,750.40x = 85,181,890,370.56
  5. Step 5: Solve for x
    x = 85,181,890,370.56/365,750.40
  6. Step 6: Final answer
    x = 232,896.23

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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.