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Finding the Fourth Proportional to 275,231.60, 412,847.40 and 240,239.60

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Solution

The fourth proportional to 275,231.60, 412,847.40 and 240,239.60 is: 360,359.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,231.60 : 412,847.40 = 240,239.60 : x
  2. Step 2: Convert to fraction form
    275,231.60/412,847.40 = 240,239.60/x
  3. Step 3: Cross multiply
    275,231.60x = 412,847.40 × 240,239.60
  4. Step 4: Simplify right side
    275,231.60x = 99,182,294,237.04
  5. Step 5: Solve for x
    x = 99,182,294,237.04/275,231.60
  6. Step 6: Final answer
    x = 360,359.40

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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.