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Finding the Fourth Proportional to 654,483.48, 981,615.86 and 181,216.68

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Solution

The fourth proportional to 654,483.48, 981,615.86 and 181,216.68 is: 271,794.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,483.48 : 981,615.86 = 181,216.68 : x
  2. Step 2: Convert to fraction form
    654,483.48/981,615.86 = 181,216.68/x
  3. Step 3: Cross multiply
    654,483.48x = 981,615.86 × 181,216.68
  4. Step 4: Simplify right side
    654,483.48x = 177,885,162,729.51
  5. Step 5: Solve for x
    x = 177,885,162,729.51/654,483.48
  6. Step 6: Final answer
    x = 271,794.74

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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.