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Finding the Fourth Proportional to 240,431.22, 360,412.47 and 100,229.94

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Solution

The fourth proportional to 240,431.22, 360,412.47 and 100,229.94 is: 150,247.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,431.22 : 360,412.47 = 100,229.94 : x
  2. Step 2: Convert to fraction form
    240,431.22/360,412.47 = 100,229.94/x
  3. Step 3: Cross multiply
    240,431.22x = 360,412.47 × 100,229.94
  4. Step 4: Simplify right side
    240,431.22x = 36,124,120,243.35
  5. Step 5: Solve for x
    x = 36,124,120,243.35/240,431.22
  6. Step 6: Final answer
    x = 150,247.21

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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.