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Finding the Fourth Proportional to 654,507.60, 981,757.80 and 181,189.68

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Solution

The fourth proportional to 654,507.60, 981,757.80 and 181,189.68 is: 271,783.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,507.60 : 981,757.80 = 181,189.68 : x
  2. Step 2: Convert to fraction form
    654,507.60/981,757.80 = 181,189.68/x
  3. Step 3: Cross multiply
    654,507.60x = 981,757.80 × 181,189.68
  4. Step 4: Simplify right side
    654,507.60x = 177,884,381,619.50
  5. Step 5: Solve for x
    x = 177,884,381,619.50/654,507.60
  6. Step 6: Final answer
    x = 271,783.52

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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.