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Finding the Fourth Proportional to 270,624.64, 405,937.60 and 73,632.64

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Solution

The fourth proportional to 270,624.64, 405,937.60 and 73,632.64 is: 110,449.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,624.64 : 405,937.60 = 73,632.64 : x
  2. Step 2: Convert to fraction form
    270,624.64/405,937.60 = 73,632.64/x
  3. Step 3: Cross multiply
    270,624.64x = 405,937.60 × 73,632.64
  4. Step 4: Simplify right side
    270,624.64x = 29,890,257,163.26
  5. Step 5: Solve for x
    x = 29,890,257,163.26/270,624.64
  6. Step 6: Final answer
    x = 110,449.13

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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.