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Finding the Fourth Proportional to 283,754.90, 425,632.35 and 259,793.30

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Solution

The fourth proportional to 283,754.90, 425,632.35 and 259,793.30 is: 389,689.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,754.90 : 425,632.35 = 259,793.30 : x
  2. Step 2: Convert to fraction form
    283,754.90/425,632.35 = 259,793.30/x
  3. Step 3: Cross multiply
    283,754.90x = 425,632.35 × 259,793.30
  4. Step 4: Simplify right side
    283,754.90x = 110,576,432,793.26
  5. Step 5: Solve for x
    x = 110,576,432,793.26/283,754.90
  6. Step 6: Final answer
    x = 389,689.95

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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.