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Finding the Fourth Proportional to 240,431.80, 360,777.30 and 100,204.60

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Solution

The fourth proportional to 240,431.80, 360,777.30 and 100,204.60 is: 150,360.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,431.80 : 360,777.30 = 100,204.60 : x
  2. Step 2: Convert to fraction form
    240,431.80/360,777.30 = 100,204.60/x
  3. Step 3: Cross multiply
    240,431.80x = 360,777.30 × 100,204.60
  4. Step 4: Simplify right side
    240,431.80x = 36,151,545,035.58
  5. Step 5: Solve for x
    x = 36,151,545,035.58/240,431.80
  6. Step 6: Final answer
    x = 150,360.91

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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.