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Finding the Fourth Proportional to 283,481.19, 425,222.37 and 266,160.15

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Solution

The fourth proportional to 283,481.19, 425,222.37 and 266,160.15 is: 399,240.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,481.19 : 425,222.37 = 266,160.15 : x
  2. Step 2: Convert to fraction form
    283,481.19/425,222.37 = 266,160.15/x
  3. Step 3: Cross multiply
    283,481.19x = 425,222.37 × 266,160.15
  4. Step 4: Simplify right side
    283,481.19x = 113,177,249,782.56
  5. Step 5: Solve for x
    x = 113,177,249,782.56/283,481.19
  6. Step 6: Final answer
    x = 399,240.77

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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.