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Finding the Fourth Proportional to 283,676.70, 425,515.05 and 266,180.70

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Solution

The fourth proportional to 283,676.70, 425,515.05 and 266,180.70 is: 399,271.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,676.70 : 425,515.05 = 266,180.70 : x
  2. Step 2: Convert to fraction form
    283,676.70/425,515.05 = 266,180.70/x
  3. Step 3: Cross multiply
    283,676.70x = 425,515.05 × 266,180.70
  4. Step 4: Simplify right side
    283,676.70x = 113,263,893,869.54
  5. Step 5: Solve for x
    x = 113,263,893,869.54/283,676.70
  6. Step 6: Final answer
    x = 399,271.05

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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.