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Finding the Fourth Proportional to 654,483.34, 981,615.65 and 181,216.54

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Solution

The fourth proportional to 654,483.34, 981,615.65 and 181,216.54 is: 271,794.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,483.34 : 981,615.65 = 181,216.54 : x
  2. Step 2: Convert to fraction form
    654,483.34/981,615.65 = 181,216.54/x
  3. Step 3: Cross multiply
    654,483.34x = 981,615.65 × 181,216.54
  4. Step 4: Simplify right side
    654,483.34x = 177,884,986,794.77
  5. Step 5: Solve for x
    x = 177,884,986,794.77/654,483.34
  6. Step 6: Final answer
    x = 271,794.52

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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.