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Finding the Fourth Proportional to 654,483.96, 981,616.59 and 181,217.16

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Solution

The fourth proportional to 654,483.96, 981,616.59 and 181,217.16 is: 271,795.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,483.96 : 981,616.59 = 181,217.16 : x
  2. Step 2: Convert to fraction form
    654,483.96/981,616.59 = 181,217.16/x
  3. Step 3: Cross multiply
    654,483.96x = 981,616.59 × 181,217.16
  4. Step 4: Simplify right side
    654,483.96x = 177,885,770,648.68
  5. Step 5: Solve for x
    x = 177,885,770,648.68/654,483.96
  6. Step 6: Final answer
    x = 271,795.46

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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.