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Finding the Fourth Proportional to 283,865.22, 425,315.82 and 171,308.94

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Solution

The fourth proportional to 283,865.22, 425,315.82 and 171,308.94 is: 256,672.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,865.22 : 425,315.82 = 171,308.94 : x
  2. Step 2: Convert to fraction form
    283,865.22/425,315.82 = 171,308.94/x
  3. Step 3: Cross multiply
    283,865.22x = 425,315.82 × 171,308.94
  4. Step 4: Simplify right side
    283,865.22x = 72,860,402,289.43
  5. Step 5: Solve for x
    x = 72,860,402,289.43/283,865.22
  6. Step 6: Final answer
    x = 256,672.52

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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.