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Finding the Fourth Proportional to 273,676.80, 410,131.20 and 217,612.80

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Solution

The fourth proportional to 273,676.80, 410,131.20 and 217,612.80 is: 326,113.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,676.80 : 410,131.20 = 217,612.80 : x
  2. Step 2: Convert to fraction form
    273,676.80/410,131.20 = 217,612.80/x
  3. Step 3: Cross multiply
    273,676.80x = 410,131.20 × 217,612.80
  4. Step 4: Simplify right side
    273,676.80x = 89,249,798,799.36
  5. Step 5: Solve for x
    x = 89,249,798,799.36/273,676.80
  6. Step 6: Final answer
    x = 326,113.86

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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.