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Finding the Fourth Proportional to 654,385.61, 981,600.29 and 181,031.33

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Solution

The fourth proportional to 654,385.61, 981,600.29 and 181,031.33 is: 271,553.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,385.61 : 981,600.29 = 181,031.33 : x
  2. Step 2: Convert to fraction form
    654,385.61/981,600.29 = 181,031.33/x
  3. Step 3: Cross multiply
    654,385.61x = 981,600.29 × 181,031.33
  4. Step 4: Simplify right side
    654,385.61x = 177,700,408,254.80
  5. Step 5: Solve for x
    x = 177,700,408,254.80/654,385.61
  6. Step 6: Final answer
    x = 271,553.05

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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.