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Finding the Fourth Proportional to 486,251.16, 729,449.46 and 170,652.60

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Solution

The fourth proportional to 486,251.16, 729,449.46 and 170,652.60 is: 256,004.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,251.16 : 729,449.46 = 170,652.60 : x
  2. Step 2: Convert to fraction form
    486,251.16/729,449.46 = 170,652.60/x
  3. Step 3: Cross multiply
    486,251.16x = 729,449.46 × 170,652.60
  4. Step 4: Simplify right side
    486,251.16x = 124,482,446,917.60
  5. Step 5: Solve for x
    x = 124,482,446,917.60/486,251.16
  6. Step 6: Final answer
    x = 256,004.42

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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.