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Finding the Fourth Proportional to 240,331.37, 360,410.85 and 71,820.32

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Solution

The fourth proportional to 240,331.37, 360,410.85 and 71,820.32 is: 107,704.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,331.37 : 360,410.85 = 71,820.32 : x
  2. Step 2: Convert to fraction form
    240,331.37/360,410.85 = 71,820.32/x
  3. Step 3: Cross multiply
    240,331.37x = 360,410.85 × 71,820.32
  4. Step 4: Simplify right side
    240,331.37x = 25,884,820,776.42
  5. Step 5: Solve for x
    x = 25,884,820,776.42/240,331.37
  6. Step 6: Final answer
    x = 107,704.71

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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.